851372 has 6 divisors (see below), whose sum is σ = 1489908. Its totient is φ = 425684.

The previous prime is 851363. The next prime is 851381. The reversal of 851372 is 273158.

It is an interprime number because it is at equal distance from previous prime (851363) and next prime (851381).

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 as a sum of consecutive naturals, namely, 106418 + ... + 106425.

It is an arithmetic number, because the mean of its divisors is an integer number (248318).

2⁸⁵¹³⁷² is an apocalyptic number.

It is an amenable number.

851372 is a deficient number, since it is larger than the sum of its proper divisors (638536).

851372 is a wasteful number, since it uses less digits than its factorization.

851372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212847 (or 212845 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 851372 is about 922.6982171870. The cubic root of 851372 is about 94.7777630670. Note that the first 4 decimals are identical.

The spelling of 851372 in words is "eight hundred fifty-one thousand, three hundred seventy-two".