84606642 has 24 divisors (see below), whose sum is σ = 188270316. Its totient is φ = 27439776.

The previous prime is 84606619. The next prime is 84606661. The reversal of 84606642 is 24660648.

It is a happy number.

84606642 is a `hidden beast` number, since 8 + 4 + 6 + 0 + 6 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84437721 + 168921 = 9189^2 + 411^2 .

84606642 is a modest number, since divided by 6642 gives 846 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 84606597 and 84606606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62853 + ... + 64184.

Almost surely, 2^84606642 is an apocalyptic number.

84606642 is an abundant number, since it is smaller than the sum of its proper divisors (103663674).

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

84606642 is a wasteful number, since it uses less digits than its factorization.

84606642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127082 (or 127079 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 84606642 is about 9198.1868865554. The cubic root of 84606642 is about 439.0036719441.

The spelling of 84606642 in words is "eighty-four million, six hundred six thousand, six hundred forty-two".