249964408 has 16 divisors (see below), whose sum is σ = 483802560. Its totient is φ = 120950400.

The previous prime is 249964387. The next prime is 249964409. The reversal of 249964408 is 804469942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249964409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503713 + ... + 504208.

It is an arithmetic number, because the mean of its divisors is an integer number (30237660).

Almost surely, 2^249964408 is an apocalyptic number.

It is an amenable number.

249964408 is a deficient number, since it is larger than the sum of its proper divisors (233838152).

249964408 is a wasteful number, since it uses less digits than its factorization.

249964408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007958 (or 1007954 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 249964408 is about 15810.2627429148. The cubic root of 249964408 is about 629.9306281219.

The spelling of 249964408 in words is "two hundred forty-nine million, nine hundred sixty-four thousand, four hundred eight".