84294891 has 32 divisors (see below), whose sum is σ = 133585920. Its totient is φ = 52348032.

The previous prime is 84294871. The next prime is 84294907. The reversal of 84294891 is 19849248.

It is not a de Polignac number, because 84294891 - 2⁶ = 84294827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84294871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46386 + ... + 48168.

It is an arithmetic number, because the mean of its divisors is an integer number (4174560).

Almost surely, 2^84294891 is an apocalyptic number.

84294891 is a deficient number, since it is larger than the sum of its proper divisors (49291029).

84294891 is a wasteful number, since it uses less digits than its factorization.

84294891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1906 counting only the distinct ones).

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

The square root of 84294891 is about 9181.2249182775. The cubic root of 84294891 is about 438.4638078084.

The spelling of 84294891 in words is "eighty-four million, two hundred ninety-four thousand, eight hundred ninety-one".