2605388 has 6 divisors (see below), whose sum is σ = 4559436. Its totient is φ = 1302692.

The previous prime is 2605387. The next prime is 2605391. The reversal of 2605388 is 8835062.

It is not an unprimeable number, because it can be changed into a prime (2605387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325670 + ... + 325677.

It is an arithmetic number, because the mean of its divisors is an integer number (759906).

2^2605388 is an apocalyptic number.

It is an amenable number.

2605388 is a deficient number, since it is larger than the sum of its proper divisors (1954048).

2605388 is a wasteful number, since it uses less digits than its factorization.

2605388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651351 (or 651349 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2605388 is about 1614.1214328544. The cubic root of 2605388 is about 137.6018066961.

The spelling of 2605388 in words is "two million, six hundred five thousand, three hundred eighty-eight".