249377428 has 12 divisors (see below), whose sum is σ = 437552640. Its totient is φ = 124362392.

The previous prime is 249377419. The next prime is 249377497. The reversal of 249377428 is 824773942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79858 + ... + 82921.

It is an arithmetic number, because the mean of its divisors is an integer number (36462720).

Almost surely, 2^249377428 is an apocalyptic number.

It is an amenable number.

249377428 is a deficient number, since it is larger than the sum of its proper divisors (188175212).

249377428 is a wasteful number, since it uses less digits than its factorization.

249377428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163166 (or 163164 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 249377428 is about 15791.6885734237. The cubic root of 249377428 is about 629.4371625538.

The spelling of 249377428 in words is "two hundred forty-nine million, three hundred seventy-seven thousand, four hundred twenty-eight".