249074866 has 32 divisors (see below), whose sum is σ = 399530880. Its totient is φ = 116206464.

The previous prime is 249074851. The next prime is 249074869. The reversal of 249074866 is 668470942.

It is a happy number.

249074866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (249074869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339436 + ... + 340168.

It is an arithmetic number, because the mean of its divisors is an integer number (12485340).

Almost surely, 2^249074866 is an apocalyptic number.

249074866 is a deficient number, since it is larger than the sum of its proper divisors (150456014).

249074866 is a wasteful number, since it uses less digits than its factorization.

249074866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 249074866 is about 15782.1058797614. The cubic root of 249074866 is about 629.1825005873.

The spelling of 249074866 in words is "two hundred forty-nine million, seventy-four thousand, eight hundred sixty-six".