2428685 has 24 divisors (see below), whose sum is σ = 3545856. Its totient is φ = 1589280.

The previous prime is 2428667. The next prime is 2428687. The reversal of 2428685 is 5868242.

It is not a de Polignac number, because 2428685 - 2¹⁴ = 2412301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁹ + 2²¹ + 8³ + 6³ + 8⁵ + 5⁵ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5420 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (147744).

2^2428685 is an apocalyptic number.

It is an amenable number.

2428685 is a deficient number, since it is larger than the sum of its proper divisors (1117171).

2428685 is a wasteful number, since it uses less digits than its factorization.

2428685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 466 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2428685 is about 1558.4238832872. The cubic root of 2428685 is about 134.4178867976.

It can be divided in two parts, 2428 and 685, that added together give a palindrome (3113).

The spelling of 2428685 in words is "two million, four hundred twenty-eight thousand, six hundred eighty-five".