84964619 has 2 divisors, whose sum is σ = 84964620. Its totient is φ = 84964618.

The previous prime is 84964573. The next prime is 84964639. The reversal of 84964619 is 91646948.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84964619 - 2²⁴ = 68187403 is a prime.

It is a super-2 number, since 2×84964619² = 14437972963630322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84964639) 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, 42482309 + 42482310.

It is an arithmetic number, because the mean of its divisors is an integer number (42482310).

Almost surely, 2^84964619 is an apocalyptic number.

84964619 is a deficient number, since it is larger than the sum of its proper divisors (1).

84964619 is an equidigital number, since it uses as much as digits as its factorization.

84964619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 84964619 is about 9217.6254534452. The cubic root of 84964619 is about 439.6219531688.

The spelling of 84964619 in words is "eighty-four million, nine hundred sixty-four thousand, six hundred nineteen".