2668290 has 32 divisors (see below), whose sum is σ = 6626880. Its totient is φ = 686784.

The previous prime is 2668277. The next prime is 2668297. The reversal of 2668290 is 928662.

It is not an unprimeable number, because it can be changed into a prime (2668297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (207090).

2^2668290 is an apocalyptic number.

2668290 is an abundant number, since it is smaller than the sum of its proper divisors (3958590).

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

2668290 is a wasteful number, since it uses less digits than its factorization.

2668290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2668290 is about 1633.4901285285. The cubic root of 2668290 is about 138.7003880739.

The spelling of 2668290 in words is "two million, six hundred sixty-eight thousand, two hundred ninety".