894051920 has 30 divisors (see below), whose sum is σ = 2079292698. Its totient is φ = 357513792.

The previous prime is 894051887. The next prime is 894051959. The reversal of 894051920 is 29150498.

It can be written as a sum of positive squares in only one way, i.e., 715241536 + 178810384 = 26744^2 + 13372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265769 + ... + 269111.

Almost surely, 2^894051920 is an apocalyptic number.

894051920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

894051920 is an abundant number, since it is smaller than the sum of its proper divisors (1185240778).

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

894051920 is an frugal number, since it uses more digits than its factorization.

894051920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 894051920 is about 29900.7009951272. The cubic root of 894051920 is about 963.3577156725.

Multiplying 894051920 by its product of nonzero digits (25920), we get a square (23173825766400 = 4813920²).

The spelling of 894051920 in words is "eight hundred ninety-four million, fifty-one thousand, nine hundred twenty".