503897404 has 12 divisors (see below), whose sum is σ = 928232200. Its totient is φ = 238688208.

The previous prime is 503897389. The next prime is 503897431. The reversal of 503897404 is 404798305.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 3315039 + ... + 3315190.

Almost surely, 2^503897404 is an apocalyptic number.

It is an amenable number.

503897404 is a deficient number, since it is larger than the sum of its proper divisors (424334796).

503897404 is a wasteful number, since it uses less digits than its factorization.

503897404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630252 (or 6630250 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 503897404 is about 22447.6592098152. The cubic root of 503897404 is about 795.7574385294.

Subtracting from 503897404 its reverse (404798305), we obtain a palindrome (99099099).

The spelling of 503897404 in words is "five hundred three million, eight hundred ninety-seven thousand, four hundred four".