249655896 has 288 divisors, whose sum is σ = 869606400. Its totient is φ = 63141120.

The previous prime is 249655891. The next prime is 249655919. The reversal of 249655896 is 698556942.

It is a happy number.

249655896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249655891) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8053401 + ... + 8053431.

Almost surely, 2^249655896 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 249655896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434803200).

249655896 is an abundant number, since it is smaller than the sum of its proper divisors (619950504).

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

249655896 is a wasteful number, since it uses less digits than its factorization.

249655896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 91 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 249655896 is about 15800.5030299671. The cubic root of 249655896 is about 629.6713629891.

The spelling of 249655896 in words is "two hundred forty-nine million, six hundred fifty-five thousand, eight hundred ninety-six".