249473412 has 48 divisors (see below), whose sum is σ = 655663680. Its totient is φ = 82016064.

The previous prime is 249473407. The next prime is 249473431. The reversal of 249473412 is 214374942.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7938 + ... + 23705.

It is an arithmetic number, because the mean of its divisors is an integer number (13659660).

Almost surely, 2^249473412 is an apocalyptic number.

It is an amenable number.

249473412 is an abundant number, since it is smaller than the sum of its proper divisors (406190268).

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

249473412 is a wasteful number, since it uses less digits than its factorization.

249473412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31729 (or 31721 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 249473412 is about 15794.7273480741. The cubic root of 249473412 is about 629.5179078288.

The spelling of 249473412 in words is "two hundred forty-nine million, four hundred seventy-three thousand, four hundred twelve".