249085496 has 128 divisors (see below), whose sum is σ = 574801920. Its totient is φ = 99840000.

The previous prime is 249085489. The next prime is 249085519. The reversal of 249085496 is 694580942.

It is a self number, because there is not a number n which added to its sum of digits gives 249085496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1901351 + ... + 1901481.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^249085496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249085496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287400960).

249085496 is an abundant number, since it is smaller than the sum of its proper divisors (325716424).

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

249085496 is a wasteful number, since it uses less digits than its factorization.

249085496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 249085496 is about 15782.4426499829. The cubic root of 249085496 is about 629.1914511958.

The spelling of 249085496 in words is "two hundred forty-nine million, eighty-five thousand, four hundred ninety-six".