2488685 has 4 divisors (see below), whose sum is σ = 2986428. Its totient is φ = 1990944.

The previous prime is 2488667. The next prime is 2488687. The reversal of 2488685 is 5868842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 1247689 = 1114^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488685 - 2⁸ = 2488429 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 4¹⁰ + 8³ + 8⁴ + 6⁶ + 8⁶ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2488687) 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, 248864 + ... + 248873.

It is an arithmetic number, because the mean of its divisors is an integer number (746607).

2^2488685 is an apocalyptic number.

It is an amenable number.

2488685 is a deficient number, since it is larger than the sum of its proper divisors (497743).

2488685 is an equidigital number, since it uses as much as digits as its factorization.

2488685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497742.

The product of its digits is 122880, while the sum is 41.

The square root of 2488685 is about 1577.5566550841. The cubic root of 2488685 is about 135.5158135709.

The spelling of 2488685 in words is "two million, four hundred eighty-eight thousand, six hundred eighty-five".