84413291 has 2 divisors, whose sum is σ = 84413292. Its totient is φ = 84413290.

The previous prime is 84413281. The next prime is 84413297. The reversal of 84413291 is 19231448.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84413291 - 2⁶ = 84413227 is a prime.

It is equal to p_4911638 and since 84413291 and 4911638 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84413297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42206645 + 42206646.

It is an arithmetic number, because the mean of its divisors is an integer number (42206646).

Almost surely, 2^84413291 is an apocalyptic number.

84413291 is a deficient number, since it is larger than the sum of its proper divisors (1).

84413291 is an equidigital number, since it uses as much as digits as its factorization.

84413291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 84413291 is about 9187.6705970556. The cubic root of 84413291 is about 438.6689994759.

The spelling of 84413291 in words is "eighty-four million, four hundred thirteen thousand, two hundred ninety-one".