84634012 has 12 divisors (see below), whose sum is σ = 148204840. Its totient is φ = 42289776.

The previous prime is 84634009. The next prime is 84634027. The reversal of 84634012 is 21043648.

It is a super-2 number, since 2×84634012² = 14325831974432288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1243 + ... + 13069.

Almost surely, 2^84634012 is an apocalyptic number.

It is an amenable number.

84634012 is a deficient number, since it is larger than the sum of its proper divisors (63570828).

84634012 is a wasteful number, since it uses less digits than its factorization.

84634012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620 (or 13618 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 84634012 is about 9199.6745594613. The cubic root of 84634012 is about 439.0510056396.

The spelling of 84634012 in words is "eighty-four million, six hundred thirty-four thousand, twelve".