249992316 has 54 divisors (see below), whose sum is σ = 735101640. Its totient is φ = 71425872.

The previous prime is 249992299. The next prime is 249992317. The reversal of 249992316 is 613299942.

It is a happy number.

249992316 is a `hidden beast` number, since 249 + 9 + 92 + 316 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249992317) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69096 + ... + 72623.

Almost surely, 2^249992316 is an apocalyptic number.

It is an amenable number.

249992316 is an abundant number, since it is smaller than the sum of its proper divisors (485109324).

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

249992316 is a wasteful number, since it uses less digits than its factorization.

249992316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141743 (or 141731 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 249992316 is about 15811.1453095593. The cubic root of 249992316 is about 629.9540707257.

The spelling of 249992316 in words is "two hundred forty-nine million, nine hundred ninety-two thousand, three hundred sixteen".