2420395 has 4 divisors (see below), whose sum is σ = 2904480. Its totient is φ = 1936312.

The previous prime is 2420377. The next prime is 2420399. The reversal of 2420395 is 5930242.

It is a happy number.

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 2420395 - 2⁹ = 2419883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2420399) 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, 242035 + ... + 242044.

It is an arithmetic number, because the mean of its divisors is an integer number (726120).

2^2420395 is an apocalyptic number.

2420395 is a deficient number, since it is larger than the sum of its proper divisors (484085).

2420395 is an equidigital number, since it uses as much as digits as its factorization.

2420395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484084.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2420395 is about 1555.7618712387. The cubic root of 2420395 is about 134.2647731362.

The spelling of 2420395 in words is "two million, four hundred twenty thousand, three hundred ninety-five".