84632686 has 16 divisors (see below), whose sum is σ = 135552384. Its totient is φ = 39534264.

The previous prime is 84632683. The next prime is 84632687. The reversal of 84632686 is 68623648.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84632683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19416 + ... + 23371.

It is an arithmetic number, because the mean of its divisors is an integer number (8472024).

Almost surely, 2^84632686 is an apocalyptic number.

84632686 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

84632686 is a deficient number, since it is larger than the sum of its proper divisors (50919698).

84632686 is a wasteful number, since it uses less digits than its factorization.

84632686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42855.

The product of its digits is 331776, while the sum is 43.

The square root of 84632686 is about 9199.6024914123. The cubic root of 84632686 is about 439.0487126896.

The spelling of 84632686 in words is "eighty-four million, six hundred thirty-two thousand, six hundred eighty-six".