2420928 has 70 divisors (see below), whose sum is σ = 7191756. Its totient is φ = 805248.

The previous prime is 2420921. The next prime is 2420941. The reversal of 2420928 is 8290242.

2420928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3 and base 9.

It is not an unprimeable number, because it can be changed into a prime (2420921) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4951 + ... + 5417.

2^2420928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2420928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3595878).

2420928 is an abundant number, since it is smaller than the sum of its proper divisors (4770828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2420928 is an equidigital number, since it uses as much as digits as its factorization.

2420928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2420928 is about 1555.9331605182. The cubic root of 2420928 is about 134.2746279839.

The spelling of 2420928 in words is "two million, four hundred twenty thousand, nine hundred twenty-eight".