249998892 has 48 divisors (see below), whose sum is σ = 685316352. Its totient is φ = 69929280.

The previous prime is 249998887. The next prime is 249998893. The reversal of 249998892 is 298899942.

It is not an unprimeable number, because it can be changed into a prime (249998893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71128 + ... + 74559.

It is an arithmetic number, because the mean of its divisors is an integer number (14277424).

Almost surely, 2^249998892 is an apocalyptic number.

249998892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

249998892 is an abundant number, since it is smaller than the sum of its proper divisors (435317460).

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

249998892 is a wasteful number, since it uses less digits than its factorization.

249998892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145718 (or 145716 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 60.

The square root of 249998892 is about 15811.3532627666. The cubic root of 249998892 is about 629.9595942844.

The spelling of 249998892 in words is "two hundred forty-nine million, nine hundred ninety-eight thousand, eight hundred ninety-two".