2890066 has 4 divisors (see below), whose sum is σ = 4335102. Its totient is φ = 1445032.

The previous prime is 2890061. The next prime is 2890079. The reversal of 2890066 is 6600982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6600982 = 2 ⋅3300491.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 184041 = 1645^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (2890061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722515 + ... + 722518.

2^2890066 is an apocalyptic number.

2890066 is a deficient number, since it is larger than the sum of its proper divisors (1445036).

2890066 is a wasteful number, since it uses less digits than its factorization.

2890066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445035.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2890066 is about 1700.0194116539. The cubic root of 2890066 is about 142.4412972530.

Subtracting from 2890066 its product of nonzero digits (5184), we obtain a palindrome (2884882).

The spelling of 2890066 in words is "two million, eight hundred ninety thousand, sixty-six".