2390447 has 4 divisors (see below), whose sum is σ = 2516280. Its totient is φ = 2264616.

The previous prime is 2390431. The next prime is 2390449. The reversal of 2390447 is 7440932.

2390447 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 2390447 - 2⁴ = 2390431 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390449) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 62888 + ... + 62925.

It is an arithmetic number, because the mean of its divisors is an integer number (629070).

2^2390447 is an apocalyptic number.

2390447 is a deficient number, since it is larger than the sum of its proper divisors (125833).

2390447 is a wasteful number, since it uses less digits than its factorization.

2390447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125832.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2390447 is about 1546.1070467468. The cubic root of 2390447 is about 133.7087123267.

The spelling of 2390447 in words is "two million, three hundred ninety thousand, four hundred forty-seven".