84568940 has 24 divisors (see below), whose sum is σ = 178058832. Its totient is φ = 33739200.

The previous prime is 84568927. The next prime is 84568963. The reversal of 84568940 is 4986548.

It is a happy number.

It is a super-2 number, since 2×84568940² = 14303811225447200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84568891 and 84568900.

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 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 13265.

It is an arithmetic number, because the mean of its divisors is an integer number (7419118).

Almost surely, 2^84568940 is an apocalyptic number.

It is an amenable number.

84568940 is an abundant number, since it is smaller than the sum of its proper divisors (93489892).

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

84568940 is a wasteful number, since it uses less digits than its factorization.

84568940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057 (or 11055 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 84568940 is about 9196.1372325559. The cubic root of 84568940 is about 438.9384533626.

The spelling of 84568940 in words is "eighty-four million, five hundred sixty-eight thousand, nine hundred forty".