394735436 has 12 divisors (see below), whose sum is σ = 690941328. Its totient is φ = 197323632.

The previous prime is 394735423. The next prime is 394735441. The reversal of 394735436 is 634537493.

It is a super-2 number, since 2×394735436² = 311632128868220192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17090 + ... + 32886.

It is an arithmetic number, because the mean of its divisors is an integer number (57578444).

Almost surely, 2^394735436 is an apocalyptic number.

It is an amenable number.

394735436 is a deficient number, since it is larger than the sum of its proper divisors (296205892).

394735436 is a wasteful number, since it uses less digits than its factorization.

394735436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22048 (or 22046 counting only the distinct ones).

The product of its digits is 816480, while the sum is 44.

The square root of 394735436 is about 19867.9499697377. The cubic root of 394735436 is about 733.5595438962.

The spelling of 394735436 in words is "three hundred ninety-four million, seven hundred thirty-five thousand, four hundred thirty-six".