2190008 has 16 divisors (see below), whose sum is σ = 4348080. Its totient is φ = 1030528.

The previous prime is 2189989. The next prime is 2190017. The reversal of 2190008 is 8000912.

It is a super-2 number, since 2×2190008² = 9592270080128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7916 + ... + 8187.

It is an arithmetic number, because the mean of its divisors is an integer number (271755).

2^2190008 is an apocalyptic number.

It is an amenable number.

2190008 is a deficient number, since it is larger than the sum of its proper divisors (2158072).

2190008 is a wasteful number, since it uses less digits than its factorization.

2190008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126 (or 16122 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2190008 is about 1479.8675616419. The cubic root of 2190008 is about 129.8619441708.

The spelling of 2190008 in words is "two million, one hundred ninety thousand, eight".