249485208 has 32 divisors (see below), whose sum is σ = 712815360. Its totient is φ = 71281440.

The previous prime is 249485161. The next prime is 249485213. The reversal of 249485208 is 802584942.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 249485208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742348 + ... + 742683.

It is an arithmetic number, because the mean of its divisors is an integer number (22275480).

Almost surely, 2^249485208 is an apocalyptic number.

249485208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

249485208 is an abundant number, since it is smaller than the sum of its proper divisors (463330152).

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

249485208 is a wasteful number, since it uses less digits than its factorization.

249485208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485047 (or 1485043 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 249485208 is about 15795.1007594127. The cubic root of 249485208 is about 629.5278296292.

The spelling of 249485208 in words is "two hundred forty-nine million, four hundred eighty-five thousand, two hundred eight".