84620613 has 32 divisors (see below), whose sum is σ = 142479360. Its totient is φ = 43392960.

The previous prime is 84620587. The next prime is 84620647. The reversal of 84620613 is 31602648.

It is not a de Polignac number, because 84620613 - 2⁵ = 84620581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84620663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15931 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (4452480).

Almost surely, 2^84620613 is an apocalyptic number.

It is an amenable number.

84620613 is a deficient number, since it is larger than the sum of its proper divisors (57858747).

84620613 is a wasteful number, since it uses less digits than its factorization.

84620613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 84620613 is about 9198.9462983540. The cubic root of 84620613 is about 439.0278346757.

The spelling of 84620613 in words is "eighty-four million, six hundred twenty thousand, six hundred thirteen".