84924491 has 2 divisors, whose sum is σ = 84924492. Its totient is φ = 84924490.

The previous prime is 84924481. The next prime is 84924493. The reversal of 84924491 is 19442948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84924491 - 2²⁶ = 17815627 is a prime.

Together with 84924493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84924493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462245 + 42462246.

It is an arithmetic number, because the mean of its divisors is an integer number (42462246).

Almost surely, 2^84924491 is an apocalyptic number.

84924491 is a deficient number, since it is larger than the sum of its proper divisors (1).

84924491 is an equidigital number, since it uses as much as digits as its factorization.

84924491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 84924491 is about 9215.4484969534. The cubic root of 84924491 is about 439.5527324825.

The spelling of 84924491 in words is "eighty-four million, nine hundred twenty-four thousand, four hundred ninety-one".