851047304 has 16 divisors (see below), whose sum is σ = 1598487900. Its totient is φ = 424783872.

The previous prime is 851047303. The next prime is 851047343. The reversal of 851047304 is 403740158.

It can be written as a sum of positive squares in 2 ways, for example, as 850888900 + 158404 = 29170^2 + 398^2 .

It is not an unprimeable number, because it can be changed into a prime (851047303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87569 + ... + 96800.

Almost surely, 2^851047304 is an apocalyptic number.

It is an amenable number.

851047304 is a deficient number, since it is larger than the sum of its proper divisors (747440596).

851047304 is a wasteful number, since it uses less digits than its factorization.

851047304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184952 (or 184948 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 851047304 is about 29172.7150604807. The cubic root of 851047304 is about 947.6571276325.

The spelling of 851047304 in words is "eight hundred fifty-one million, forty-seven thousand, three hundred four".