249045938 has 16 divisors (see below), whose sum is σ = 382737696. Its totient is φ = 121474080.

The previous prime is 249045911. The next prime is 249045949. The reversal of 249045938 is 839540942.

249045938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99470 + ... + 101942.

It is an arithmetic number, because the mean of its divisors is an integer number (23921106).

Almost surely, 2^249045938 is an apocalyptic number.

249045938 is a deficient number, since it is larger than the sum of its proper divisors (133691758).

249045938 is a wasteful number, since it uses less digits than its factorization.

249045938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 249045938 is about 15781.1893721608. The cubic root of 249045938 is about 629.1581415176.

The spelling of 249045938 in words is "two hundred forty-nine million, forty-five thousand, nine hundred thirty-eight".