2066090 has 32 divisors (see below), whose sum is σ = 4185216. Its totient is φ = 728640.

The previous prime is 2066083. The next prime is 2066101. The reversal of 2066090 is 906602.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2645 + ... + 3335.

It is an arithmetic number, because the mean of its divisors is an integer number (130788).

2^2066090 is an apocalyptic number.

2066090 is an abundant number, since it is smaller than the sum of its proper divisors (2119126).

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

2066090 is a wasteful number, since it uses less digits than its factorization.

2066090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2066090 is about 1437.3899957910. The cubic root of 2066090 is about 127.3648959766.

The spelling of 2066090 in words is "two million, sixty-six thousand, ninety".