426337394 has 32 divisors (see below), whose sum is σ = 742659840. Its totient is φ = 179790912.

The previous prime is 426337391. The next prime is 426337399. The reversal of 426337394 is 493733624.

It is a super-2 number, since 2×426337394² = 363527147045422472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (426337391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248612 + ... + 250320.

It is an arithmetic number, because the mean of its divisors is an integer number (23208120).

Almost surely, 2^426337394 is an apocalyptic number.

426337394 is a deficient number, since it is larger than the sum of its proper divisors (316322446).

426337394 is a wasteful number, since it uses less digits than its factorization.

426337394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its digits is 326592, while the sum is 41.

The square root of 426337394 is about 20647.9392192054. The cubic root of 426337394 is about 752.6351123636.

The spelling of 426337394 in words is "four hundred twenty-six million, three hundred thirty-seven thousand, three hundred ninety-four".