2390043 has 8 divisors (see below), whose sum is σ = 3216400. Its totient is φ = 1578528.

The previous prime is 2390033. The next prime is 2390051. The reversal of 2390043 is 3400932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2390043 - 2⁹ = 2389531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2390023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3328 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (402050).

2^2390043 is an apocalyptic number.

2390043 is a deficient number, since it is larger than the sum of its proper divisors (826357).

2390043 is a wasteful number, since it uses less digits than its factorization.

2390043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2390043 is about 1545.9763905054. The cubic root of 2390043 is about 133.7011793753.

Adding to 2390043 its reverse (3400932), we get a palindrome (5790975).

The spelling of 2390043 in words is "two million, three hundred ninety thousand, forty-three".