1994261 has 8 divisors (see below), whose sum is σ = 2148864. Its totient is φ = 1845360.

The previous prime is 1994227. The next prime is 1994299. The reversal of 1994261 is 1624991.

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 1994261 - 2¹⁰ = 1993237 is a prime.

It is a super-2 number, since 2×1994261² = 7954153872242, 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 (1993261) 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, 686 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (268608).

2^1994261 is an apocalyptic number.

It is an amenable number.

1994261 is a deficient number, since it is larger than the sum of its proper divisors (154603).

1994261 is a wasteful number, since it uses less digits than its factorization.

1994261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851.

The product of its digits is 3888, while the sum is 32.

The square root of 1994261 is about 1412.1830617877. The cubic root of 1994261 is about 125.8714780878.

The spelling of 1994261 in words is "one million, nine hundred ninety-four thousand, two hundred sixty-one".