2390494 has 4 divisors (see below), whose sum is σ = 3585744. Its totient is φ = 1195246.

The previous prime is 2390477. The next prime is 2390519. The reversal of 2390494 is 4940932.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597622 + ... + 597625.

It is an arithmetic number, because the mean of its divisors is an integer number (896436).

2^2390494 is an apocalyptic number.

2390494 is a deficient number, since it is larger than the sum of its proper divisors (1195250).

2390494 is a wasteful number, since it uses less digits than its factorization.

2390494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195249.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2390494 is about 1546.1222461371. The cubic root of 2390494 is about 133.7095886298.

The spelling of 2390494 in words is "two million, three hundred ninety thousand, four hundred ninety-four".