6394261 has 4 divisors (see below), whose sum is σ = 6770412. Its totient is φ = 6018112.

The previous prime is 6394249. The next prime is 6394273. The reversal of 6394261 is 1624936.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6394249) and next prime (6394273).

It can be written as a sum of positive squares in 2 ways, for example, as 3538161 + 2856100 = 1881^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 6394261 - 2⁷ = 6394133 is a prime.

It is a super-2 number, since 2×6394261² = 81773147472242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 6² + 3¹³ + 9⁷ + 4⁷ + 2⁹ + 6² + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188050 + ... + 188083.

It is an arithmetic number, because the mean of its divisors is an integer number (1692603).

Almost surely, 2^6394261 is an apocalyptic number.

It is an amenable number.

6394261 is a deficient number, since it is larger than the sum of its proper divisors (376151).

6394261 is a wasteful number, since it uses less digits than its factorization.

6394261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376150.

The product of its digits is 7776, while the sum is 31.

The square root of 6394261 is about 2528.6876042722. The cubic root of 6394261 is about 185.6080407517.

It can be divided in two parts, 639 and 4261, that added together give a square (4900 = 70²).

The spelling of 6394261 in words is "six million, three hundred ninety-four thousand, two hundred sixty-one".