2390241 has 16 divisors (see below), whose sum is σ = 3728384. Its totient is φ = 1333584.

The previous prime is 2390221. The next prime is 2390243. The reversal of 2390241 is 1420932.

It is not a de Polignac number, because 2390241 - 2⁹ = 2389729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2390243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (233024).

2^2390241 is an apocalyptic number.

2390241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2390241 is a deficient number, since it is larger than the sum of its proper divisors (1338143).

2390241 is a wasteful number, since it uses less digits than its factorization.

2390241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2390241 is about 1546.0404263796. The cubic root of 2390241 is about 133.7048713734.

The spelling of 2390241 in words is "two million, three hundred ninety thousand, two hundred forty-one".