497407918 has 24 divisors (see below), whose sum is σ = 888117912. Its totient is φ = 208215504.

The previous prime is 497407907. The next prime is 497407921. The reversal of 497407918 is 819704794.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 in 11 ways as a sum of consecutive naturals, for example, 54805 + ... + 63232.

It is an arithmetic number, because the mean of its divisors is an integer number (37004913).

Almost surely, 2^497407918 is an apocalyptic number.

497407918 is a deficient number, since it is larger than the sum of its proper divisors (390709994).

497407918 is a wasteful number, since it uses less digits than its factorization.

497407918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118096 (or 118089 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 497407918 is about 22302.6437446326. The cubic root of 497407918 is about 792.3265911093.

The spelling of 497407918 in words is "four hundred ninety-seven million, four hundred seven thousand, nine hundred eighteen".