497903636 has 6 divisors (see below), whose sum is σ = 871331370. Its totient is φ = 248951816.

The previous prime is 497903629. The next prime is 497903641. The reversal of 497903636 is 636309794.

It can be written as a sum of positive squares in only one way, i.e., 329059600 + 168844036 = 18140^2 + 12994^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62237951 + ... + 62237958.

It is an arithmetic number, because the mean of its divisors is an integer number (145221895).

Almost surely, 2^497903636 is an apocalyptic number.

It is an amenable number.

497903636 is a deficient number, since it is larger than the sum of its proper divisors (373427734).

497903636 is a wasteful number, since it uses less digits than its factorization.

497903636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124475913 (or 124475911 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 47.

The square root of 497903636 is about 22313.7544129176. The cubic root of 497903636 is about 792.5897152859.

The spelling of 497903636 in words is "four hundred ninety-seven million, nine hundred three thousand, six hundred thirty-six".