920625986 has 8 divisors (see below), whose sum is σ = 1578216000. Its totient is φ = 394553988.

The previous prime is 920625983. The next prime is 920625997. The reversal of 920625986 is 689526029.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 920625986.

It is not an unprimeable number, because it can be changed into a prime (920625983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32879486 + ... + 32879513.

It is an arithmetic number, because the mean of its divisors is an integer number (197277000).

Almost surely, 2^920625986 is an apocalyptic number.

920625986 is a deficient number, since it is larger than the sum of its proper divisors (657590014).

920625986 is a wasteful number, since it uses less digits than its factorization.

920625986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65759008.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 920625986 is about 30341.8190951037. The cubic root of 920625986 is about 972.8093656954.

The spelling of 920625986 in words is "nine hundred twenty million, six hundred twenty-five thousand, nine hundred eighty-six".