2998990 has 16 divisors (see below), whose sum is σ = 5418000. Its totient is φ = 1195200.

The previous prime is 2998981. The next prime is 2998991. The reversal of 2998990 is 998992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2998990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2998991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4690 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (338625).

2^2998990 is an apocalyptic number.

2998990 is a deficient number, since it is larger than the sum of its proper divisors (2419010).

2998990 is a wasteful number, since it uses less digits than its factorization.

2998990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 2998990 is about 1731.7592211390. The cubic root of 2998990 is about 144.2087699689.

The spelling of 2998990 in words is "two million, nine hundred ninety-eight thousand, nine hundred ninety".