2390830 has 32 divisors (see below), whose sum is σ = 4735584. Its totient is φ = 863616.

The previous prime is 2390819. The next prime is 2390831. The reversal of 2390830 is 380932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2390795 and 2390804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390831) 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, 6717 + ... + 7063.

It is an arithmetic number, because the mean of its divisors is an integer number (147987).

2^2390830 is an apocalyptic number.

2390830 is a deficient number, since it is larger than the sum of its proper divisors (2344754).

2390830 is a wasteful number, since it uses less digits than its factorization.

2390830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2390830 is about 1546.2309012563. The cubic root of 2390830 is about 133.7158529301.

The spelling of 2390830 in words is "two million, three hundred ninety thousand, eight hundred thirty".