2421955 has 8 divisors (see below), whose sum is σ = 2914704. Its totient is φ = 1932000.

The previous prime is 2421943. The next prime is 2421959. The reversal of 2421955 is 5591242.

2421955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2421955 - 2⁹ = 2421443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (364338).

2^2421955 is an apocalyptic number.

2421955 is a deficient number, since it is larger than the sum of its proper divisors (492749).

2421955 is an equidigital number, since it uses as much as digits as its factorization.

2421955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its digits is 3600, while the sum is 28.

The square root of 2421955 is about 1556.2631525549. The cubic root of 2421955 is about 134.2936125148.

It can be divided in two parts, 242 and 1955, that added together give a cube (2197 = 13³).

The spelling of 2421955 in words is "two million, four hundred twenty-one thousand, nine hundred fifty-five".