854640892 has 12 divisors (see below), whose sum is σ = 1709281840. Its totient is φ = 366274656.

The previous prime is 854640883. The next prime is 854640893. The reversal of 854640892 is 298046458.

854640892 is an admirable number.

It is a super-2 number, since 2×854640892² = 1460822108557111328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854640893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15261417 + ... + 15261472.

Almost surely, 2^854640892 is an apocalyptic number.

It is an amenable number.

854640892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

854640892 is a wasteful number, since it uses less digits than its factorization.

854640892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30522900 (or 30522898 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 854640892 is about 29234.2417722779. The cubic root of 854640892 is about 948.9890971553.

The spelling of 854640892 in words is "eight hundred fifty-four million, six hundred forty thousand, eight hundred ninety-two".