249060856 has 16 divisors (see below), whose sum is σ = 509442840. Its totient is φ = 113209440.

The previous prime is 249060821. The next prime is 249060857. The reversal of 249060856 is 658060942.

It is a happy number.

It is a super-3 number, since 3×249060856³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249060857) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1415031 + ... + 1415206.

Almost surely, 2^249060856 is an apocalyptic number.

It is an amenable number.

249060856 is an abundant number, since it is smaller than the sum of its proper divisors (260381984).

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

249060856 is a wasteful number, since it uses less digits than its factorization.

249060856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830254 (or 2830250 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 249060856 is about 15781.6620164037. The cubic root of 249060856 is about 629.1707035826.

The spelling of 249060856 in words is "two hundred forty-nine million, sixty thousand, eight hundred fifty-six".