84836642 has 16 divisors (see below), whose sum is σ = 139236192. Its totient is φ = 38447520.

The previous prime is 84836639. The next prime is 84836659. The reversal of 84836642 is 24663848.

It is a self number, because there is not a number n which added to its sum of digits gives 84836642.

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, 2078 + ... + 13190.

It is an arithmetic number, because the mean of its divisors is an integer number (8702262).

Almost surely, 2^84836642 is an apocalyptic number.

84836642 is a deficient number, since it is larger than the sum of its proper divisors (54399550).

84836642 is a wasteful number, since it uses less digits than its factorization.

84836642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11473.

The product of its digits is 221184, while the sum is 41.

The square root of 84836642 is about 9210.6808651695. The cubic root of 84836642 is about 439.4011170499.

The spelling of 84836642 in words is "eighty-four million, eight hundred thirty-six thousand, six hundred forty-two".