2698990 has 16 divisors (see below), whose sum is σ = 5552352. Its totient is φ = 925344.

The previous prime is 2698979. The next prime is 2699009. The reversal of 2698990 is 998962.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19209 + ... + 19348.

It is an arithmetic number, because the mean of its divisors is an integer number (347022).

2^2698990 is an apocalyptic number.

2698990 is an abundant number, since it is smaller than the sum of its proper divisors (2853362).

2698990 is a wasteful number, since it uses less digits than its factorization.

2698990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38571.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2698990 is about 1642.8603105560. The cubic root of 2698990 is about 139.2302998625.

The spelling of 2698990 in words is "two million, six hundred ninety-eight thousand, nine hundred ninety".