249088386 has 32 divisors (see below), whose sum is σ = 532173888. Its totient is φ = 77450240.

The previous prime is 249088373. The next prime is 249088387. The reversal of 249088386 is 683880942.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (249088387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721 + ... + 22331.

It is an arithmetic number, because the mean of its divisors is an integer number (16630434).

Almost surely, 2^249088386 is an apocalyptic number.

249088386 is an abundant number, since it is smaller than the sum of its proper divisors (283085502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249088386 is a wasteful number, since it uses less digits than its factorization.

249088386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21746.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 249088386 is about 15782.5342071544. The cubic root of 249088386 is about 629.1938845722.

The spelling of 249088386 in words is "two hundred forty-nine million, eighty-eight thousand, three hundred eighty-six".