2420780 has 12 divisors (see below), whose sum is σ = 5083680. Its totient is φ = 968304.

The previous prime is 2420779. The next prime is 2420801. The reversal of 2420780 is 870242.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60500 + ... + 60539.

It is an arithmetic number, because the mean of its divisors is an integer number (423640).

2^2420780 is an apocalyptic number.

2420780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420780 is an abundant number, since it is smaller than the sum of its proper divisors (2662900).

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

2420780 is a wasteful number, since it uses less digits than its factorization.

2420780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121048 (or 121046 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2420780 is about 1555.8855999077. The cubic root of 2420780 is about 134.2718916984.

The spelling of 2420780 in words is "two million, four hundred twenty thousand, seven hundred eighty".