8379966 has 16 divisors (see below), whose sum is σ = 19154304. Its totient is φ = 2394264.

The previous prime is 8379961. The next prime is 8380037. The reversal of 8379966 is 6699738.

It is a happy number.

It is a super-2 number, since 2×8379966² = 140447660322312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8379961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99720 + ... + 99803.

It is an arithmetic number, because the mean of its divisors is an integer number (1197144).

Almost surely, 2^8379966 is an apocalyptic number.

8379966 is an abundant number, since it is smaller than the sum of its proper divisors (10774338).

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

8379966 is a wasteful number, since it uses less digits than its factorization.

8379966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199535.

The product of its digits is 489888, while the sum is 48.

The square root of 8379966 is about 2894.8170926675. The cubic root of 8379966 is about 203.1175356942.

The spelling of 8379966 in words is "eight million, three hundred seventy-nine thousand, nine hundred sixty-six".