8390166 has 16 divisors (see below), whose sum is σ = 16935600. Its totient is φ = 2770848.

The previous prime is 8390143. The next prime is 8390183. The reversal of 8390166 is 6610938.

It is an Ulam number.

It is a Curzon number.

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, 5761 + ... + 7068.

It is an arithmetic number, because the mean of its divisors is an integer number (1058475).

Almost surely, 2^8390166 is an apocalyptic number.

8390166 is an abundant number, since it is smaller than the sum of its proper divisors (8545434).

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

8390166 is a wasteful number, since it uses less digits than its factorization.

8390166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12943.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 8390166 is about 2896.5783262325. The cubic root of 8390166 is about 203.1999130706.

The spelling of 8390166 in words is "eight million, three hundred ninety thousand, one hundred sixty-six".