84634630 has 16 divisors (see below), whose sum is σ = 152450064. Its totient is φ = 33829920.

The previous prime is 84634603. The next prime is 84634631. The reversal of 84634630 is 3643648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84634631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21085 + ... + 24775.

It is an arithmetic number, because the mean of its divisors is an integer number (9528129).

Almost surely, 2^84634630 is an apocalyptic number.

84634630 is a deficient number, since it is larger than the sum of its proper divisors (67815434).

84634630 is a wasteful number, since it uses less digits than its factorization.

84634630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 84634630 is about 9199.7081475447. The cubic root of 84634630 is about 439.0520742913.

It can be divided in two parts, 84634 and 630, that added together give a square (85264 = 292²).

The spelling of 84634630 in words is "eighty-four million, six hundred thirty-four thousand, six hundred thirty".