2790241 has 4 divisors (see below), whose sum is σ = 2794500. Its totient is φ = 2785984.

The previous prime is 2790233. The next prime is 2790251. The reversal of 2790241 is 1420972.

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 1008016 + 1782225 = 1004^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2790241 - 2³ = 2790233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916 + ... + 2533.

It is an arithmetic number, because the mean of its divisors is an integer number (698625).

2^2790241 is an apocalyptic number.

It is an amenable number.

2790241 is a deficient number, since it is larger than the sum of its proper divisors (4259).

2790241 is an equidigital number, since it uses as much as digits as its factorization.

2790241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2790241 is about 1670.4014487542. The cubic root of 2790241 is about 140.7820350110.

The spelling of 2790241 in words is "two million, seven hundred ninety thousand, two hundred forty-one".