2420679 has 4 divisors (see below), whose sum is σ = 3227576. Its totient is φ = 1613784.

The previous prime is 2420633. The next prime is 2420687. The reversal of 2420679 is 9760242.

It is a happy number.

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

It is not a de Polignac number, because 2420679 - 2⁸ = 2420423 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403444 + ... + 403449.

It is an arithmetic number, because the mean of its divisors is an integer number (806894).

2^2420679 is an apocalyptic number.

2420679 is a deficient number, since it is larger than the sum of its proper divisors (806897).

2420679 is an equidigital number, since it uses as much as digits as its factorization.

2420679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806896.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2420679 is about 1555.8531421699. The cubic root of 2420679 is about 134.2700243045.

The spelling of 2420679 in words is "two million, four hundred twenty thousand, six hundred seventy-nine".