840951916 has 36 divisors (see below), whose sum is σ = 1715233968. Its totient is φ = 359714208.

The previous prime is 840951863. The next prime is 840951929. The reversal of 840951916 is 619159048.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105321 + ... + 113023.

It is an arithmetic number, because the mean of its divisors is an integer number (47645388).

Almost surely, 2^840951916 is an apocalyptic number.

It is an amenable number.

840951916 is an abundant number, since it is smaller than the sum of its proper divisors (874282052).

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

840951916 is a wasteful number, since it uses less digits than its factorization.

840951916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278 (or 8269 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 840951916 is about 28999.1709536669. The cubic root of 840951916 is about 943.8950780520.

The spelling of 840951916 in words is "eight hundred forty million, nine hundred fifty-one thousand, nine hundred sixteen".