851795434 has 16 divisors (see below), whose sum is σ = 1460616768. Its totient is φ = 364956192.

The previous prime is 851795411. The next prime is 851795467. The reversal of 851795434 is 434597158.

It is a super-2 number, since 2×851795434² = 1451110922766496712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72414 + ... + 83350.

It is an arithmetic number, because the mean of its divisors is an integer number (91288548).

Almost surely, 2^851795434 is an apocalyptic number.

851795434 is a deficient number, since it is larger than the sum of its proper divisors (608821334).

851795434 is a wasteful number, since it uses less digits than its factorization.

851795434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509.

The product of its digits is 604800, while the sum is 46.

The square root of 851795434 is about 29185.5346704493. The cubic root of 851795434 is about 947.9347318973.

The spelling of 851795434 in words is "eight hundred fifty-one million, seven hundred ninety-five thousand, four hundred thirty-four".