84966138 has 32 divisors (see below), whose sum is σ = 198753600. Its totient is φ = 26831088.

The previous prime is 84966137. The next prime is 84966179. The reversal of 84966138 is 83166948.

It is a junction number, because it is equal to n+sod(n) for n = 84966093 and 84966102.

It is not an unprimeable number, because it can be changed into a prime (84966131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40381 + ... + 42432.

It is an arithmetic number, because the mean of its divisors is an integer number (6211050).

Almost surely, 2^84966138 is an apocalyptic number.

84966138 is an abundant number, since it is smaller than the sum of its proper divisors (113787462).

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

84966138 is a wasteful number, since it uses less digits than its factorization.

84966138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82843 (or 82837 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 84966138 is about 9217.7078495687. The cubic root of 84966138 is about 439.6245730113.

The spelling of 84966138 in words is "eighty-four million, nine hundred sixty-six thousand, one hundred thirty-eight".