84869658 has 24 divisors (see below), whose sum is σ = 186103008. Its totient is φ = 27948552.

The previous prime is 84869657. The next prime is 84869663. The reversal of 84869658 is 85696848.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84869657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26910 + ... + 29897.

It is an arithmetic number, because the mean of its divisors is an integer number (7754292).

Almost surely, 2^84869658 is an apocalyptic number.

84869658 is an abundant number, since it is smaller than the sum of its proper divisors (101233350).

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

84869658 is a wasteful number, since it uses less digits than its factorization.

84869658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56898 (or 56895 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 84869658 is about 9212.4729578979. The cubic root of 84869658 is about 439.4581104488.

The spelling of 84869658 in words is "eighty-four million, eight hundred sixty-nine thousand, six hundred fifty-eight".