249492956 has 6 divisors (see below), whose sum is σ = 436612680. Its totient is φ = 124746476.

The previous prime is 249492931. The next prime is 249492959. The reversal of 249492956 is 659294942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249492959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31186616 + ... + 31186623.

It is an arithmetic number, because the mean of its divisors is an integer number (72768780).

Almost surely, 2^249492956 is an apocalyptic number.

It is an amenable number.

249492956 is a deficient number, since it is larger than the sum of its proper divisors (187119724).

249492956 is a wasteful number, since it uses less digits than its factorization.

249492956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62373243 (or 62373241 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 249492956 is about 15795.3460234336. The cubic root of 249492956 is about 629.5343464232.

The spelling of 249492956 in words is "two hundred forty-nine million, four hundred ninety-two thousand, nine hundred fifty-six".