84456860 has 12 divisors (see below), whose sum is σ = 177359448. Its totient is φ = 33782736.

The previous prime is 84456857. The next prime is 84456863. The reversal of 84456860 is 6865448.

It is an interprime number because it is at equal distance from previous prime (84456857) and next prime (84456863).

It is a super-2 number, since 2×84456860² = 14265922402119200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84456863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111402 + ... + 2111441.

It is an arithmetic number, because the mean of its divisors is an integer number (14779954).

Almost surely, 2^84456860 is an apocalyptic number.

It is an amenable number.

84456860 is an abundant number, since it is smaller than the sum of its proper divisors (92902588).

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

84456860 is a wasteful number, since it uses less digits than its factorization.

84456860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222852 (or 4222850 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 84456860 is about 9190.0413491997. The cubic root of 84456860 is about 438.7444579025.

The spelling of 84456860 in words is "eighty-four million, four hundred fifty-six thousand, eight hundred sixty".