84695239 has 2 divisors, whose sum is σ = 84695240. Its totient is φ = 84695238.

The previous prime is 84695231. The next prime is 84695279. The reversal of 84695239 is 93259648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84695239 - 2³ = 84695231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84695231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42347619 + 42347620.

It is an arithmetic number, because the mean of its divisors is an integer number (42347620).

Almost surely, 2^84695239 is an apocalyptic number.

84695239 is a deficient number, since it is larger than the sum of its proper divisors (1).

84695239 is an equidigital number, since it uses as much as digits as its factorization.

84695239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 84695239 is about 9203.0016299031. The cubic root of 84695239 is about 439.1568547165.

The spelling of 84695239 in words is "eighty-four million, six hundred ninety-five thousand, two hundred thirty-nine".