394041426 has 16 divisors (see below), whose sum is σ = 793104384. Its totient is φ = 130510224.

The previous prime is 394041407. The next prime is 394041433. The reversal of 394041426 is 624140493.

It is a super-2 number, since 2×394041426² = 310537290808226952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208210 + ... + 210093.

It is an arithmetic number, because the mean of its divisors is an integer number (49569024).

Almost surely, 2^394041426 is an apocalyptic number.

394041426 is an abundant number, since it is smaller than the sum of its proper divisors (399062958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394041426 is a wasteful number, since it uses less digits than its factorization.

394041426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418465.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 394041426 is about 19850.4767197163. The cubic root of 394041426 is about 733.1293854798.

The spelling of 394041426 in words is "three hundred ninety-four million, forty-one thousand, four hundred twenty-six".