249423336 has 96 divisors (see below), whose sum is σ = 728582400. Its totient is φ = 76826880.

The previous prime is 249423331. The next prime is 249423341. The reversal of 249423336 is 633324942.

It is an interprime number because it is at equal distance from previous prime (249423331) and next prime (249423341).

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 249423336.

It is not an unprimeable number, because it can be changed into a prime (249423331) 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, 53865 + ... + 58311.

It is an arithmetic number, because the mean of its divisors is an integer number (7589400).

Almost surely, 2^249423336 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 249423336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364291200).

249423336 is an abundant number, since it is smaller than the sum of its proper divisors (479159064).

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

249423336 is a wasteful number, since it uses less digits than its factorization.

249423336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519 (or 4512 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 249423336 is about 15793.1420559685. The cubic root of 249423336 is about 629.4757846382.

The spelling of 249423336 in words is "two hundred forty-nine million, four hundred twenty-three thousand, three hundred thirty-six".