249627274 has 16 divisors (see below), whose sum is σ = 403552800. Its totient is φ = 115124400.

The previous prime is 249627247. The next prime is 249627277. The reversal of 249627274 is 472726942.

It is a self number, because there is not a number n which added to its sum of digits gives 249627274.

It is not an unprimeable number, because it can be changed into a prime (249627277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41349 + ... + 46999.

It is an arithmetic number, because the mean of its divisors is an integer number (25222050).

Almost surely, 2^249627274 is an apocalyptic number.

249627274 is a deficient number, since it is larger than the sum of its proper divisors (153925526).

249627274 is a wasteful number, since it uses less digits than its factorization.

249627274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365.

The product of its digits is 338688, while the sum is 43.

The square root of 249627274 is about 15799.5972733485. The cubic root of 249627274 is about 629.6472990104.

The spelling of 249627274 in words is "two hundred forty-nine million, six hundred twenty-seven thousand, two hundred seventy-four".