249556004 has 12 divisors (see below), whose sum is σ = 446879664. Its totient is φ = 121876104.

The previous prime is 249555989. The next prime is 249556007. The reversal of 249556004 is 400655942.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (249556007) 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, 725282 + ... + 725625.

It is an arithmetic number, because the mean of its divisors is an integer number (37239972).

Almost surely, 2^249556004 is an apocalyptic number.

It is an amenable number.

249556004 is a deficient number, since it is larger than the sum of its proper divisors (197323660).

249556004 is a wasteful number, since it uses less digits than its factorization.

249556004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450954 (or 1450952 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 249556004 is about 15797.3416751047. The cubic root of 249556004 is about 629.5873706839.

The spelling of 249556004 in words is "two hundred forty-nine million, five hundred fifty-six thousand, four".