249676404 has 24 divisors (see below), whose sum is σ = 596127840. Its totient is φ = 81289824.

The previous prime is 249676403. The next prime is 249676409. The reversal of 249676404 is 404676942.

249676404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249676403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241419 + ... + 242450.

It is an arithmetic number, because the mean of its divisors is an integer number (24838660).

Almost surely, 2^249676404 is an apocalyptic number.

It is an amenable number.

249676404 is an abundant number, since it is smaller than the sum of its proper divisors (346451436).

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

249676404 is a wasteful number, since it uses less digits than its factorization.

249676404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483919 (or 483917 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 249676404 is about 15801.1519833207. The cubic root of 249676404 is about 629.6886039822.

The spelling of 249676404 in words is "two hundred forty-nine million, six hundred seventy-six thousand, four hundred four".