84653685 has 48 divisors (see below), whose sum is σ = 155001600. Its totient is φ = 42653952.

The previous prime is 84653677. The next prime is 84653689. The reversal of 84653685 is 58635648.

It is not a de Polignac number, because 84653685 - 2³ = 84653677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84653685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84653689) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91656 + ... + 92574.

It is an arithmetic number, because the mean of its divisors is an integer number (3229200).

Almost surely, 2^84653685 is an apocalyptic number.

It is an amenable number.

84653685 is a deficient number, since it is larger than the sum of its proper divisors (70347915).

84653685 is a wasteful number, since it uses less digits than its factorization.

84653685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 84653685 is about 9200.7437199392. The cubic root of 84653685 is about 439.0850218350.

The spelling of 84653685 in words is "eighty-four million, six hundred fifty-three thousand, six hundred eighty-five".