2428785 has 24 divisors (see below), whose sum is σ = 4368000. Its totient is φ = 1294704.

The previous prime is 2428781. The next prime is 2428787. The reversal of 2428785 is 5878242.

It is a happy number.

2428785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2428785 - 2² = 2428781 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2428781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (182000).

2^2428785 is an apocalyptic number.

It is an amenable number.

2428785 is a deficient number, since it is larger than the sum of its proper divisors (1939215).

2428785 is an equidigital number, since it uses as much as digits as its factorization.

2428785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2007 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2428785 is about 1558.4559666542. The cubic root of 2428785 is about 134.4197316374.

The spelling of 2428785 in words is "two million, four hundred twenty-eight thousand, seven hundred eighty-five".