904401434 has 16 divisors (see below), whose sum is σ = 1419561288. Its totient is φ = 431675712.

The previous prime is 904401419. The next prime is 904401473. The reversal of 904401434 is 434104409.

It can be written as a sum of positive squares in 4 ways, for example, as 839550625 + 64850809 = 28975^2 + 8053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 904401397 and 904401406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111377 + ... + 119220.

Almost surely, 2^904401434 is an apocalyptic number.

904401434 is a deficient number, since it is larger than the sum of its proper divisors (515159854).

904401434 is a wasteful number, since it uses less digits than its factorization.

904401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230689.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 904401434 is about 30073.2677639129. The cubic root of 904401434 is about 967.0607287295.

The spelling of 904401434 in words is "nine hundred four million, four hundred one thousand, four hundred thirty-four".