2596945 has 8 divisors (see below), whose sum is σ = 3356136. Its totient is φ = 1917696.

The previous prime is 2596943. The next prime is 2596949. The reversal of 2596945 is 5496952.

2596945 = 167² + 168² + ... + 231².

It can be written as a sum of positive squares in 4 ways, for example, as 166464 + 2430481 = 408^2 + 1559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2596945 - 2¹ = 2596943 is a prime.

It is a Duffinian number.

2596945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2596898 and 2596907.

It is not an unprimeable number, because it can be changed into a prime (2596943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19912 + ... + 20041.

It is an arithmetic number, because the mean of its divisors is an integer number (419517).

2^2596945 is an apocalyptic number.

It is an amenable number.

2596945 is a deficient number, since it is larger than the sum of its proper divisors (759191).

2596945 is a wasteful number, since it uses less digits than its factorization.

2596945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39971.

The product of its digits is 97200, while the sum is 40.

The square root of 2596945 is about 1611.5039559368. The cubic root of 2596945 is about 137.4530087357.

The spelling of 2596945 in words is "two million, five hundred ninety-six thousand, nine hundred forty-five".