2390455 has 8 divisors (see below), whose sum is σ = 3037392. Its totient is φ = 1799808.

The previous prime is 2390449. The next prime is 2390471. The reversal of 2390455 is 5540932.

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

It is a cyclic number.

It is not a de Polignac number, because 2390455 - 2⁹ = 2389943 is a prime.

It is a Duffinian number.

2390455 is a lucky number.

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 in 7 ways as a sum of consecutive naturals, for example, 13977 + ... + 14146.

It is an arithmetic number, because the mean of its divisors is an integer number (379674).

2^2390455 is an apocalyptic number.

2390455 is a deficient number, since it is larger than the sum of its proper divisors (646937).

2390455 is a wasteful number, since it uses less digits than its factorization.

2390455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28145.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2390455 is about 1546.1096338876. The cubic root of 2390455 is about 133.7088614855.

The spelling of 2390455 in words is "two million, three hundred ninety thousand, four hundred fifty-five".