2645960 has 32 divisors (see below), whose sum is σ = 6161400. Its totient is φ = 1021440.

The previous prime is 2645941. The next prime is 2645971. The reversal of 2645960 is 695462.

2645960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2244004 + 401956 = 1498^2 + 634^2 .

It is a super-2 number, since 2×2645960² = 14002208643200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20 + ... + 2300.

2^2645960 is an apocalyptic number.

2645960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2645960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3080700).

2645960 is an abundant number, since it is smaller than the sum of its proper divisors (3515440).

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

2645960 is a wasteful number, since it uses less digits than its factorization.

2645960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2645960 is about 1626.6407101754. The cubic root of 2645960 is about 138.3123917913.

The spelling of 2645960 in words is "two million, six hundred forty-five thousand, nine hundred sixty".