2980999 has 4 divisors (see below), whose sum is σ = 3406864. Its totient is φ = 2555136.

The previous prime is 2980993. The next prime is 2981021. The reversal of 2980999 is 9990892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2980999 - 2⁷ = 2980871 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980993) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 212922 + ... + 212935.

It is an arithmetic number, because the mean of its divisors is an integer number (851716).

2^2980999 is an apocalyptic number.

2980999 is a deficient number, since it is larger than the sum of its proper divisors (425865).

2980999 is an equidigital number, since it uses as much as digits as its factorization.

2980999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425864.

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

The square root of 2980999 is about 1726.5569784980. The cubic root of 2980999 is about 143.9198209768.

The spelling of 2980999 in words is "two million, nine hundred eighty thousand, nine hundred ninety-nine".