498940636 has 6 divisors (see below), whose sum is σ = 873146120. Its totient is φ = 249470316.

The previous prime is 498940601. The next prime is 498940649. The reversal of 498940636 is 636049894.

It is a self number, because there is not a number n which added to its sum of digits gives 498940636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62367576 + ... + 62367583.

Almost surely, 2^498940636 is an apocalyptic number.

It is an amenable number.

498940636 is a deficient number, since it is larger than the sum of its proper divisors (374205484).

498940636 is a wasteful number, since it uses less digits than its factorization.

498940636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124735163 (or 124735161 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 498940636 is about 22336.9791153594. The cubic root of 498940636 is about 793.1395844605.

The spelling of 498940636 in words is "four hundred ninety-eight million, nine hundred forty thousand, six hundred thirty-six".