249714764 has 24 divisors (see below), whose sum is σ = 482098848. Its totient is φ = 112440960.

The previous prime is 249714757. The next prime is 249714767. The reversal of 249714764 is 467417942.

It is not an unprimeable number, because it can be changed into a prime (249714767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56432 + ... + 60695.

It is an arithmetic number, because the mean of its divisors is an integer number (20087452).

Almost surely, 2^249714764 is an apocalyptic number.

It is an amenable number.

249714764 is a deficient number, since it is larger than the sum of its proper divisors (232384084).

249714764 is a wasteful number, since it uses less digits than its factorization.

249714764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117185 (or 117183 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 249714764 is about 15802.3657722507. The cubic root of 249714764 is about 629.7208505456.

The spelling of 249714764 in words is "two hundred forty-nine million, seven hundred fourteen thousand, seven hundred sixty-four".