894980891 has 4 divisors (see below), whose sum is σ = 1022835312. Its totient is φ = 767126472.

The previous prime is 894980873. The next prime is 894980893. The reversal of 894980891 is 198089498.

894980891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 894980891 - 2²⁶ = 827872027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (894980893) 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, 63927200 + ... + 63927213.

It is an arithmetic number, because the mean of its divisors is an integer number (255708828).

Almost surely, 2^894980891 is an apocalyptic number.

894980891 is a deficient number, since it is larger than the sum of its proper divisors (127854421).

894980891 is a wasteful number, since it uses less digits than its factorization.

894980891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127854420.

The product of its (nonzero) digits is 1492992, while the sum is 56.

The square root of 894980891 is about 29916.2312298859. The cubic root of 894980891 is about 963.6912614012.

The spelling of 894980891 in words is "eight hundred ninety-four million, nine hundred eighty thousand, eight hundred ninety-one".