84459629 has 4 divisors (see below), whose sum is σ = 87372060. Its totient is φ = 81547200.

The previous prime is 84459623. The next prime is 84459643. The reversal of 84459629 is 92695448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15984004 + 68475625 = 3998^2 + 8275^2 .

It is a cyclic number.

It is not a de Polignac number, because 84459629 - 2⁸ = 84459373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84459623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456172 + ... + 1456229.

It is an arithmetic number, because the mean of its divisors is an integer number (21843015).

Almost surely, 2^84459629 is an apocalyptic number.

It is an amenable number.

84459629 is a deficient number, since it is larger than the sum of its proper divisors (2912431).

84459629 is a wasteful number, since it uses less digits than its factorization.

84459629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912430.

The product of its digits is 622080, while the sum is 47.

The square root of 84459629 is about 9190.1920001706. The cubic root of 84459629 is about 438.7492527375.

The spelling of 84459629 in words is "eighty-four million, four hundred fifty-nine thousand, six hundred twenty-nine".