84924517 has 2 divisors, whose sum is σ = 84924518. Its totient is φ = 84924516.

The previous prime is 84924493. The next prime is 84924523. The reversal of 84924517 is 71542948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 6937956 = 8831^2 + 2634^2 .

It is a cyclic number.

It is not a de Polignac number, because 84924517 - 2¹⁹ = 84400229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84924517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84924317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462258 + 42462259.

It is an arithmetic number, because the mean of its divisors is an integer number (42462259).

Almost surely, 2^84924517 is an apocalyptic number.

It is an amenable number.

84924517 is a deficient number, since it is larger than the sum of its proper divisors (1).

84924517 is an equidigital number, since it uses as much as digits as its factorization.

84924517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The square root of 84924517 is about 9215.4499076280. The cubic root of 84924517 is about 439.5527773394.

The spelling of 84924517 in words is "eighty-four million, nine hundred twenty-four thousand, five hundred seventeen".