851604132 has 12 divisors (see below), whose sum is σ = 1987076336. Its totient is φ = 283868040.

The previous prime is 851604113. The next prime is 851604157. The reversal of 851604132 is 231406158.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 851604132.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35483494 + ... + 35483517.

Almost surely, 2^851604132 is an apocalyptic number.

It is an amenable number.

851604132 is an abundant number, since it is smaller than the sum of its proper divisors (1135472204).

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

851604132 is a wasteful number, since it uses less digits than its factorization.

851604132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70967018 (or 70967016 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 851604132 is about 29182.2571436824. The cubic root of 851604132 is about 947.8637620454.

The spelling of 851604132 in words is "eight hundred fifty-one million, six hundred four thousand, one hundred thirty-two".