84629239 has 2 divisors, whose sum is σ = 84629240. Its totient is φ = 84629238.

The previous prime is 84629227. The next prime is 84629257. The reversal of 84629239 is 93292648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84629239 - 2⁹ = 84628727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84629195 and 84629204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84629269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42314619 + 42314620.

It is an arithmetic number, because the mean of its divisors is an integer number (42314620).

Almost surely, 2^84629239 is an apocalyptic number.

84629239 is a deficient number, since it is larger than the sum of its proper divisors (1).

84629239 is an equidigital number, since it uses as much as digits as its factorization.

84629239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 84629239 is about 9199.4151444535. The cubic root of 84629239 is about 439.0427519450.

The spelling of 84629239 in words is "eighty-four million, six hundred twenty-nine thousand, two hundred thirty-nine".