249672308 has 12 divisors (see below), whose sum is σ = 437271492. Its totient is φ = 124737600.

The previous prime is 249672301. The next prime is 249672317. The reversal of 249672308 is 803276942.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125171344 + 124500964 = 11188^2 + 11158^2 .

It is a super-2 number, since 2×249672308² = 124672522764093728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249672301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18785 + ... + 29192.

It is an arithmetic number, because the mean of its divisors is an integer number (36439291).

Almost surely, 2^249672308 is an apocalyptic number.

It is an amenable number.

249672308 is a deficient number, since it is larger than the sum of its proper divisors (187599184).

249672308 is a wasteful number, since it uses less digits than its factorization.

249672308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49282 (or 49280 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 249672308 is about 15801.0223719859. The cubic root of 249672308 is about 629.6851605670.

The spelling of 249672308 in words is "two hundred forty-nine million, six hundred seventy-two thousand, three hundred eight".