249473610 has 96 divisors (see below), whose sum is σ = 701400960. Its totient is φ = 61305984.

The previous prime is 249473579. The next prime is 249473633. The reversal of 249473610 is 16374942.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61299 + ... + 65241.

It is an arithmetic number, because the mean of its divisors is an integer number (7306260).

Almost surely, 2^249473610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249473610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350700480).

249473610 is an abundant number, since it is smaller than the sum of its proper divisors (451927350).

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

249473610 is a wasteful number, since it uses less digits than its factorization.

249473610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 249473610 is about 15794.7336159873. The cubic root of 249473610 is about 629.5180743723.

The spelling of 249473610 in words is "two hundred forty-nine million, four hundred seventy-three thousand, six hundred ten".