2990245 has 4 divisors (see below), whose sum is σ = 3588300. Its totient is φ = 2392192.

The previous prime is 2990237. The next prime is 2990279. The reversal of 2990245 is 5420992.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 1094116 = 1377^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2990245 - 2³ = 2990237 is a prime.

2990245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299020 + ... + 299029.

It is an arithmetic number, because the mean of its divisors is an integer number (897075).

2^2990245 is an apocalyptic number.

It is an amenable number.

2990245 is a deficient number, since it is larger than the sum of its proper divisors (598055).

2990245 is an equidigital number, since it uses as much as digits as its factorization.

2990245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598054.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2990245 is about 1729.2324887071. The cubic root of 2990245 is about 144.0684634579.

The spelling of 2990245 in words is "two million, nine hundred ninety thousand, two hundred forty-five".