249714768 has 40 divisors (see below), whose sum is σ = 683045568. Its totient is φ = 78341632.

The previous prime is 249714767. The next prime is 249714769. The reversal of 249714768 is 867417942.

It is an interprime number because it is at equal distance from previous prime (249714767) and next prime (249714769).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152196 + ... + 153827.

Almost surely, 2^249714768 is an apocalyptic number.

It is an amenable number.

249714768 is an abundant number, since it is smaller than the sum of its proper divisors (433330800).

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

249714768 is a wasteful number, since it uses less digits than its factorization.

249714768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306051 (or 306045 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 249714768 is about 15802.3658988140. The cubic root of 249714768 is about 629.7208539079.

The spelling of 249714768 in words is "two hundred forty-nine million, seven hundred fourteen thousand, seven hundred sixty-eight".