249008076 has 72 divisors (see below), whose sum is σ = 655802784. Its totient is φ = 79591680.

The previous prime is 249008057. The next prime is 249008077. The reversal of 249008076 is 670800942.

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 249008076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249008077) 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, 93256 + ... + 95888.

It is an arithmetic number, because the mean of its divisors is an integer number (9108372).

Almost surely, 2^249008076 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 249008076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327901392).

249008076 is an abundant number, since it is smaller than the sum of its proper divisors (406794708).

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

249008076 is a wasteful number, since it uses less digits than its factorization.

249008076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 249008076 is about 15779.9897338370. The cubic root of 249008076 is about 629.1262566466.

The spelling of 249008076 in words is "two hundred forty-nine million, eight thousand, seventy-six".