8019906 has 16 divisors (see below), whose sum is σ = 16068864. Its totient is φ = 2668464.

The previous prime is 8019877. The next prime is 8019911. The reversal of 8019906 is 6099108.

It is a happy 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, 4335 + ... + 5901.

It is an arithmetic number, because the mean of its divisors is an integer number (1004304).

Almost surely, 2^8019906 is an apocalyptic number.

8019906 is an abundant number, since it is smaller than the sum of its proper divisors (8048958).

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

8019906 is a wasteful number, since it uses less digits than its factorization.

8019906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 8019906 is about 2831.9438553757. The cubic root of 8019906 is about 200.1657459368.

The spelling of 8019906 in words is "eight million, nineteen thousand, nine hundred six".