249310476 has 72 divisors (see below), whose sum is σ = 672591920. Its totient is φ = 77635584.

The previous prime is 249310471. The next prime is 249310487. The reversal of 249310476 is 674013942.

249310476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 249310476.

It is not an unprimeable number, because it can be changed into a prime (249310471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47436 + ... + 52428.

Almost surely, 2^249310476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249310476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336295960).

249310476 is an abundant number, since it is smaller than the sum of its proper divisors (423281444).

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

249310476 is a wasteful number, since it uses less digits than its factorization.

249310476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 249310476 is about 15789.5685818201. The cubic root of 249310476 is about 629.3808277989.

The spelling of 249310476 in words is "two hundred forty-nine million, three hundred ten thousand, four hundred seventy-six".