814920894 has 24 divisors (see below), whose sum is σ = 1768311792. Its totient is φ = 271232640.

The previous prime is 814920871. The next prime is 814920913. The reversal of 814920894 is 498029418.

814920894 is a `hidden beast` number, since 81 + 492 + 0 + 89 + 4 = 666.

814920894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 21522 + ... + 45749.

It is an arithmetic number, because the mean of its divisors is an integer number (73679658).

Almost surely, 2^814920894 is an apocalyptic number.

814920894 is an abundant number, since it is smaller than the sum of its proper divisors (953390898).

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

814920894 is a wasteful number, since it uses less digits than its factorization.

814920894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67952 (or 67949 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 814920894 is about 28546.8193324580. The cubic root of 814920894 is about 934.0536409209.

The spelling of 814920894 in words is "eight hundred fourteen million, nine hundred twenty thousand, eight hundred ninety-four".