2887605 has 48 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 1292544.

The previous prime is 2887583. The next prime is 2887607. The reversal of 2887605 is 5067882.

It is not a de Polignac number, because 2887605 - 2⁶ = 2887541 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 a self number, because there is not a number n which added to its sum of digits gives 2887605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27984 + ... + 28086.

It is an arithmetic number, because the mean of its divisors is an integer number (121680).

2^2887605 is an apocalyptic number.

It is an amenable number.

2887605 is an abundant number, since it is smaller than the sum of its proper divisors (2953035).

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

2887605 is a wasteful number, since it uses less digits than its factorization.

2887605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2887605 is about 1699.2954422348. The cubic root of 2887605 is about 142.4008543956.

The spelling of 2887605 in words is "two million, eight hundred eighty-seven thousand, six hundred five".