650086992 has 40 divisors (see below), whose sum is σ = 1865991680. Its totient is φ = 216695520.

The previous prime is 650086981. The next prime is 650086993. The reversal of 650086992 is 299680056.

650086992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×650086992² = 845226194335216128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650086993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751984 + ... + 752847.

It is an arithmetic number, because the mean of its divisors is an integer number (46649792).

Almost surely, 2^650086992 is an apocalyptic number.

It is an amenable number.

650086992 is an abundant number, since it is smaller than the sum of its proper divisors (1215904688).

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

650086992 is a wasteful number, since it uses less digits than its factorization.

650086992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504848 (or 1504836 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 650086992 is about 25496.8035643686. The cubic root of 650086992 is about 866.2777476541.

The spelling of 650086992 in words is "six hundred fifty million, eighty-six thousand, nine hundred ninety-two".