249220796 has 72 divisors (see below), whose sum is σ = 517710480. Its totient is φ = 104544000.

The previous prime is 249220793. The next prime is 249220813. The reversal of 249220796 is 697022942.

It is a super-2 number, since 2×249220796² = 124222010317747232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249220793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376706 + ... + 377366.

Almost surely, 2^249220796 is an apocalyptic number.

It is an amenable number.

249220796 is an abundant number, since it is smaller than the sum of its proper divisors (268489684).

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

249220796 is a wasteful number, since it uses less digits than its factorization.

249220796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 249220796 is about 15786.7284767934. The cubic root of 249220796 is about 629.3053534444.

The spelling of 249220796 in words is "two hundred forty-nine million, two hundred twenty thousand, seven hundred ninety-six".