2790245 has 16 divisors (see below), whose sum is σ = 3680640. Its totient is φ = 2021184.

The previous prime is 2790233. The next prime is 2790251. The reversal of 2790245 is 5420972.

2790245 = 68² + 69² + ... + 205².

2790245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2790245 - 2⁶ = 2790181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (230040).

2^2790245 is an apocalyptic number.

It is an amenable number.

2790245 is a deficient number, since it is larger than the sum of its proper divisors (890395).

2790245 is a wasteful number, since it uses less digits than its factorization.

2790245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2790245 is about 1670.4026460707. The cubic root of 2790245 is about 140.7821022845.

The spelling of 2790245 in words is "two million, seven hundred ninety thousand, two hundred forty-five".