84925491 has 16 divisors (see below), whose sum is σ = 130867200. Its totient is φ = 47982528.

The previous prime is 84925483. The next prime is 84925493. The reversal of 84925491 is 19452948.

It is not a de Polignac number, because 84925491 - 2³ = 84925483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84925493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20851 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (8179200).

Almost surely, 2^84925491 is an apocalyptic number.

84925491 is a deficient number, since it is larger than the sum of its proper divisors (45941709).

84925491 is a wasteful number, since it uses less digits than its factorization.

84925491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45538.

The product of its digits is 103680, while the sum is 42.

The square root of 84925491 is about 9215.5027535127. The cubic root of 84925491 is about 439.5544577445.

The spelling of 84925491 in words is "eighty-four million, nine hundred twenty-five thousand, four hundred ninety-one".