404034399 has 28 divisors (see below), whose sum is σ = 632138736. Its totient is φ = 257634432.

The previous prime is 404034329. The next prime is 404034403. The reversal of 404034399 is 993430404.

It is not a de Polignac number, because 404034399 - 2⁸ = 404034143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404034329) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4719 + ... + 28815.

Almost surely, 2^404034399 is an apocalyptic number.

404034399 is a deficient number, since it is larger than the sum of its proper divisors (228104337).

404034399 is an equidigital number, since it uses as much as digits as its factorization.

404034399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138 (or 24123 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 404034399 is about 20100.6069311352. The cubic root of 404034399 is about 739.2751600978.

The spelling of 404034399 in words is "four hundred four million, thirty-four thousand, three hundred ninety-nine".