913567990 has 16 divisors (see below), whose sum is σ = 1666950048. Its totient is φ = 360421056.

The previous prime is 913567979. The next prime is 913568003. The reversal of 913567990 is 99765319.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625002 + ... + 626461.

It is an arithmetic number, because the mean of its divisors is an integer number (104184378).

Almost surely, 2^913567990 is an apocalyptic number.

913567990 is a deficient number, since it is larger than the sum of its proper divisors (753382058).

913567990 is a wasteful number, since it uses less digits than its factorization.

913567990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251543.

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 913567990 is about 30225.2872608351. The cubic root of 913567990 is about 970.3169651785.

The spelling of 913567990 in words is "nine hundred thirteen million, five hundred sixty-seven thousand, nine hundred ninety".