249497496 has 40 divisors (see below), whose sum is σ = 698825820. Its totient is φ = 83165616.

The previous prime is 249497477. The next prime is 249497509. The reversal of 249497496 is 694794942.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 191866 + ... + 193161.

Almost surely, 2^249497496 is an apocalyptic number.

It is an amenable number.

249497496 is an abundant number, since it is smaller than the sum of its proper divisors (449328324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249497496 is a wasteful number, since it uses less digits than its factorization.

249497496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385045 (or 385032 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 249497496 is about 15795.4897359974. The cubic root of 249497496 is about 629.5381649259.

The spelling of 249497496 in words is "two hundred forty-nine million, four hundred ninety-seven thousand, four hundred ninety-six".