249767942 has 4 divisors (see below), whose sum is σ = 374651916. Its totient is φ = 124883970.

The previous prime is 249767911. The next prime is 249767957.

249767942 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62441984 + ... + 62441987.

It is an arithmetic number, because the mean of its divisors is an integer number (93662979).

Almost surely, 2^249767942 is an apocalyptic number.

249767942 is a deficient number, since it is larger than the sum of its proper divisors (124883974).

249767942 is a wasteful number, since it uses less digits than its factorization.

249767942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124883973.

The product of its digits is 1524096, while the sum is 50.

The square root of 249767942 is about 15804.0482788430. The cubic root of 249767942 is about 629.7655481011.

The spelling of 249767942 in words is "two hundred forty-nine million, seven hundred sixty-seven thousand, nine hundred forty-two".