84860920 has 32 divisors (see below), whose sum is σ = 191751120. Its totient is φ = 33799680.

The previous prime is 84860911. The next prime is 84860921. The reversal of 84860920 is 2906848.

It is a super-3 number, since 3×84860920³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 84860920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84860921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5239 + ... + 14041.

Almost surely, 2^84860920 is an apocalyptic number.

It is an amenable number.

84860920 is an abundant number, since it is smaller than the sum of its proper divisors (106890200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84860920 is a wasteful number, since it uses less digits than its factorization.

84860920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055 (or 9051 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 84860920 is about 9211.9986973512. The cubic root of 84860920 is about 439.4430280395.

The spelling of 84860920 in words is "eighty-four million, eight hundred sixty thousand, nine hundred twenty".