2605380 has 48 divisors (see below), whose sum is σ = 7366464. Its totient is φ = 688000.

The previous prime is 2605373. The next prime is 2605387. The reversal of 2605380 is 835062.

It is an interprime number because it is at equal distance from previous prime (2605373) and next prime (2605387).

It is a self number, because there is not a number n which added to its sum of digits gives 2605380.

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 in 15 ways as a sum of consecutive naturals, for example, 10255 + ... + 10505.

It is an arithmetic number, because the mean of its divisors is an integer number (153468).

2^2605380 is an apocalyptic number.

2605380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605380 is an abundant number, since it is smaller than the sum of its proper divisors (4761084).

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

2605380 is a wasteful number, since it uses less digits than its factorization.

2605380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2605380 is about 1614.1189547242. The cubic root of 2605380 is about 137.6016658578.

The spelling of 2605380 in words is "two million, six hundred five thousand, three hundred eighty".