84867966 has 16 divisors (see below), whose sum is σ = 188595600. Its totient is φ = 28289304.

The previous prime is 84867941. The next prime is 84868033. The reversal of 84867966 is 66976848.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1571629 = 84867966 / (8 + 4 + 8 + 6 + 7 + 9 + 6 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785761 + ... + 785868.

It is an arithmetic number, because the mean of its divisors is an integer number (11787225).

Almost surely, 2^84867966 is an apocalyptic number.

84867966 is an abundant number, since it is smaller than the sum of its proper divisors (103727634).

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

84867966 is a wasteful number, since it uses less digits than its factorization.

84867966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571640 (or 1571634 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 84867966 is about 9212.3811254203. The cubic root of 84867966 is about 439.4551900173.

The spelling of 84867966 in words is "eighty-four million, eight hundred sixty-seven thousand, nine hundred sixty-six".