249361896 has 64 divisors (see below), whose sum is σ = 714672000. Its totient is φ = 71025408.

The previous prime is 249361813. The next prime is 249361897. The reversal of 249361896 is 698163942.

It is not an unprimeable number, because it can be changed into a prime (249361897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56506 + ... + 60758.

It is an arithmetic number, because the mean of its divisors is an integer number (11166750).

Almost surely, 2^249361896 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 249361896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357336000).

249361896 is an abundant number, since it is smaller than the sum of its proper divisors (465310104).

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

249361896 is a wasteful number, since it uses less digits than its factorization.

249361896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618 (or 4614 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 249361896 is about 15791.1967880842. The cubic root of 249361896 is about 629.4240945159.

The spelling of 249361896 in words is "two hundred forty-nine million, three hundred sixty-one thousand, eight hundred ninety-six".