249679892 has 36 divisors (see below), whose sum is σ = 554488704. Its totient is φ = 97277040.

The previous prime is 249679891. The next prime is 249679909. The reversal of 249679892 is 298976942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249679891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55748 + ... + 60059.

It is an arithmetic number, because the mean of its divisors is an integer number (15402464).

Almost surely, 2^249679892 is an apocalyptic number.

249679892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

249679892 is an abundant number, since it is smaller than the sum of its proper divisors (304808812).

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

249679892 is a wasteful number, since it uses less digits than its factorization.

249679892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115836 (or 115827 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 249679892 is about 15801.2623546348. The cubic root of 249679892 is about 629.6915362359.

The spelling of 249679892 in words is "two hundred forty-nine million, six hundred seventy-nine thousand, eight hundred ninety-two".