6316381 has 8 divisors (see below), whose sum is σ = 6611544. Its totient is φ = 6027840.

The previous prime is 6316351. The next prime is 6316393. The reversal of 6316381 is 1836136.

6316381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3740356 + 2576025 = 1934^2 + 1605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6316381 - 2¹³ = 6308189 is a prime.

It is a super-2 number, since 2×6316381² = 79793337874322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6316351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351 + ... + 3571.

It is an arithmetic number, because the mean of its divisors is an integer number (826443).

Almost surely, 2^6316381 is an apocalyptic number.

It is an amenable number.

6316381 is a deficient number, since it is larger than the sum of its proper divisors (295163).

6316381 is a wasteful number, since it uses less digits than its factorization.

6316381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311.

The product of its digits is 2592, while the sum is 28.

The square root of 6316381 is about 2513.2411344716. The cubic root of 6316381 is about 184.8514122212.

The spelling of 6316381 in words is "six million, three hundred sixteen thousand, three hundred eighty-one".