8405164 has 24 divisors (see below), whose sum is σ = 15367968. Its totient is φ = 4018560.

The previous prime is 8405153. The next prime is 8405183. The reversal of 8405164 is 4615048.

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, 8209 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (640332).

Almost surely, 2^8405164 is an apocalyptic number.

It is an amenable number.

8405164 is a deficient number, since it is larger than the sum of its proper divisors (6962804).

8405164 is a wasteful number, since it uses less digits than its factorization.

8405164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8405164 is about 2899.1660869981. The cubic root of 8405164 is about 203.3209189470.

The spelling of 8405164 in words is "eight million, four hundred five thousand, one hundred sixty-four".