249268388 has 24 divisors (see below), whose sum is σ = 455985600. Its totient is φ = 119005920.

The previous prime is 249268379. The next prime is 249268403. The reversal of 249268388 is 883862942.

249268388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×249268388² = 124269458512237088, which contains 22 as substring.

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, 58763 + ... + 62861.

It is an arithmetic number, because the mean of its divisors is an integer number (18999400).

Almost surely, 2^249268388 is an apocalyptic number.

It is an amenable number.

249268388 is a deficient number, since it is larger than the sum of its proper divisors (206717212).

249268388 is a wasteful number, since it uses less digits than its factorization.

249268388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787 (or 4785 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 249268388 is about 15788.2357469098. The cubic root of 249268388 is about 629.3454089489.

The spelling of 249268388 in words is "two hundred forty-nine million, two hundred sixty-eight thousand, three hundred eighty-eight".