249138246 has 48 divisors (see below), whose sum is σ = 599635440. Its totient is φ = 68725440.

The previous prime is 249138223. The next prime is 249138251. The reversal of 249138246 is 642831942.

249138246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6085 + ... + 23136.

It is an arithmetic number, because the mean of its divisors is an integer number (12492405).

Almost surely, 2^249138246 is an apocalyptic number.

249138246 is an abundant number, since it is smaller than the sum of its proper divisors (350497194).

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

249138246 is a wasteful number, since it uses less digits than its factorization.

249138246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29269 (or 29262 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 249138246 is about 15784.1137223475. The cubic root of 249138246 is about 629.2358636659.

The spelling of 249138246 in words is "two hundred forty-nine million, one hundred thirty-eight thousand, two hundred forty-six".