249166996 has 24 divisors (see below), whose sum is σ = 475249824. Its totient is φ = 113612640.

The previous prime is 249166993. The next prime is 249167021. The reversal of 249166996 is 699661942.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249166993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24550 + ... + 33181.

It is an arithmetic number, because the mean of its divisors is an integer number (19802076).

Almost surely, 2^249166996 is an apocalyptic number.

249166996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

249166996 is a deficient number, since it is larger than the sum of its proper divisors (226082828).

249166996 is a wasteful number, since it uses less digits than its factorization.

249166996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57831 (or 57829 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 249166996 is about 15785.0244219007. The cubic root of 249166996 is about 629.2600668751.

The spelling of 249166996 in words is "two hundred forty-nine million, one hundred sixty-six thousand, nine hundred ninety-six".