2421395 has 16 divisors (see below), whose sum is σ = 3133728. Its totient is φ = 1789440.

The previous prime is 2421389. The next prime is 2421403. The reversal of 2421395 is 5931242.

2421395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2421395 - 2¹⁰ = 2420371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4952 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (195858).

2^2421395 is an apocalyptic number.

2421395 is a deficient number, since it is larger than the sum of its proper divisors (712333).

2421395 is a wasteful number, since it uses less digits than its factorization.

2421395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its digits is 2160, while the sum is 26.

The square root of 2421395 is about 1556.0832239954. The cubic root of 2421395 is about 134.2832613426.

The spelling of 2421395 in words is "two million, four hundred twenty-one thousand, three hundred ninety-five".