860497812 has 18 divisors (see below), whose sum is σ = 2175147338. Its totient is φ = 286832592.

The previous prime is 860497747. The next prime is 860497837. The reversal of 860497812 is 218794068.

860497812 is a `hidden beast` number, since 86 + 0 + 497 + 81 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 809174916 + 51322896 = 28446^2 + 7164^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11951323 + ... + 11951394.

Almost surely, 2^860497812 is an apocalyptic number.

It is an amenable number.

860497812 is an abundant number, since it is smaller than the sum of its proper divisors (1314649526).

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

860497812 is a wasteful number, since it uses less digits than its factorization.

860497812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23902727 (or 23902722 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 860497812 is about 29334.2429934710. The cubic root of 860497812 is about 951.1519956614.

The spelling of 860497812 in words is "eight hundred sixty million, four hundred ninety-seven thousand, eight hundred twelve".