851396338 has 16 divisors (see below), whose sum is σ = 1419699456. Its totient is φ = 380275920.

The previous prime is 851396317. The next prime is 851396387. The reversal of 851396338 is 833693158.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527356 + ... + 528967.

It is an arithmetic number, because the mean of its divisors is an integer number (88731216).

Almost surely, 2^851396338 is an apocalyptic number.

851396338 is a deficient number, since it is larger than the sum of its proper divisors (568303118).

851396338 is a wasteful number, since it uses less digits than its factorization.

851396338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056369.

The product of its digits is 466560, while the sum is 46.

The square root of 851396338 is about 29178.6966466976. The cubic root of 851396338 is about 947.7866618932.

It can be divided in two parts, 8513963 and 38, that added together give a triangular number (8514001 = T₄₁₂₆).

The spelling of 851396338 in words is "eight hundred fifty-one million, three hundred ninety-six thousand, three hundred thirty-eight".