2842605 has 24 divisors (see below), whose sum is σ = 4968600. Its totient is φ = 1503360.

The previous prime is 2842603. The next prime is 2842643. The reversal of 2842605 is 5062482.

It can be written as a sum of positive squares in 4 ways, for example, as 30276 + 2812329 = 174^2 + 1677^2 .

It is not a de Polignac number, because 2842605 - 2¹ = 2842603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2842603) 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, 7971 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (207025).

2^2842605 is an apocalyptic number.

It is an amenable number.

2842605 is a deficient number, since it is larger than the sum of its proper divisors (2125995).

2842605 is a wasteful number, since it uses less digits than its factorization.

2842605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2842605 is about 1686.0026690370. The cubic root of 2842605 is about 141.6572604289.

The spelling of 2842605 in words is "two million, eight hundred forty-two thousand, six hundred five".