2420816 has 20 divisors (see below), whose sum is σ = 4758624. Its totient is φ = 1192800.

The previous prime is 2420813. The next prime is 2420827. The reversal of 2420816 is 6180242.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2420791 and 2420800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420813) 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, 71 + ... + 2201.

2^2420816 is an apocalyptic number.

It is an amenable number.

2420816 is a deficient number, since it is larger than the sum of its proper divisors (2337808).

2420816 is a wasteful number, since it uses less digits than its factorization.

2420816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2420816 is about 1555.8971688386. The cubic root of 2420816 is about 134.2725572916.

The spelling of 2420816 in words is "two million, four hundred twenty thousand, eight hundred sixteen".