2420564 has 12 divisors (see below), whose sum is σ = 4248384. Its totient is φ = 1206744.

The previous prime is 2420557. The next prime is 2420567. The reversal of 2420564 is 4650242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420567) 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, 1199 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (354032).

2^2420564 is an apocalyptic number.

It is an amenable number.

2420564 is a deficient number, since it is larger than the sum of its proper divisors (1827820).

2420564 is a wasteful number, since it uses less digits than its factorization.

2420564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2420564 is about 1555.8161845154. The cubic root of 2420564 is about 134.2678980006.

The spelling of 2420564 in words is "two million, four hundred twenty thousand, five hundred sixty-four".