249159372 has 96 divisors (see below), whose sum is σ = 741801984. Its totient is φ = 63201600.

The previous prime is 249159349. The next prime is 249159373. The reversal of 249159372 is 273951942.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (249159373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36597 + ... + 42867.

It is an arithmetic number, because the mean of its divisors is an integer number (7727104).

Almost surely, 2^249159372 is an apocalyptic number.

249159372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249159372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370900992).

249159372 is an abundant number, since it is smaller than the sum of its proper divisors (492642612).

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

249159372 is a wasteful number, since it uses less digits than its factorization.

249159372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339 (or 6337 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 249159372 is about 15784.7829253367. The cubic root of 249159372 is about 629.2536487863.

The spelling of 249159372 in words is "two hundred forty-nine million, one hundred fifty-nine thousand, three hundred seventy-two".