249198036 has 24 divisors (see below), whose sum is σ = 615666240. Its totient is φ = 78179712.

The previous prime is 249198017. The next prime is 249198043. The reversal of 249198036 is 630891942.

It is a super-2 number, since 2×249198036² = 124199322292514592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610576 + ... + 610983.

It is an arithmetic number, because the mean of its divisors is an integer number (25652760).

Almost surely, 2^249198036 is an apocalyptic number.

It is an amenable number.

249198036 is an abundant number, since it is smaller than the sum of its proper divisors (366468204).

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

249198036 is a wasteful number, since it uses less digits than its factorization.

249198036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221583 (or 1221581 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 249198036 is about 15786.0076016705. The cubic root of 249198036 is about 629.2861958325.

The spelling of 249198036 in words is "two hundred forty-nine million, one hundred ninety-eight thousand, thirty-six".