854020992 has 64 divisors (see below), whose sum is σ = 2474732160. Its totient is φ = 258792960.

The previous prime is 854020991. The next prime is 854020997. The reversal of 854020992 is 299020458.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 854020992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854020991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96868 + ... + 105315.

It is an arithmetic number, because the mean of its divisors is an integer number (38667690).

Almost surely, 2^854020992 is an apocalyptic number.

It is an amenable number.

854020992 is an abundant number, since it is smaller than the sum of its proper divisors (1620711168).

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

854020992 is a wasteful number, since it uses less digits than its factorization.

854020992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202211 (or 202199 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 854020992 is about 29223.6375559238. The cubic root of 854020992 is about 948.7595970082.

The spelling of 854020992 in words is "eight hundred fifty-four million, twenty thousand, nine hundred ninety-two".