84008634 has 16 divisors (see below), whose sum is σ = 168107520. Its totient is φ = 27987840.

The previous prime is 84008629. The next prime is 84008647. The reversal of 84008634 is 43680048.

It is a junction number, because it is equal to n+sod(n) for n = 84008595 and 84008604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18282 + ... + 22410.

It is an arithmetic number, because the mean of its divisors is an integer number (10506720).

Almost surely, 2^84008634 is an apocalyptic number.

84008634 is an abundant number, since it is smaller than the sum of its proper divisors (84098886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84008634 is a wasteful number, since it uses less digits than its factorization.

84008634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 84008634 is about 9165.6224011248. The cubic root of 84008634 is about 437.9669185415.

The spelling of 84008634 in words is "eighty-four million, eight thousand, six hundred thirty-four".