2648569 has 24 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 1990560.

The previous prime is 2648567. The next prime is 2648593. The reversal of 2648569 is 9658462.

It is a happy number.

It is not a de Polignac number, because 2648569 - 2¹ = 2648567 is a prime.

It is a super-2 number, since 2×2648569² = 14029835495522, which contains 22 as substring.

It is an Ulam number.

2648569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2648563) 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, 44862 + ... + 44920.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^2648569 is an apocalyptic number.

It is an amenable number.

2648569 is a deficient number, since it is larger than the sum of its proper divisors (798791).

2648569 is a wasteful number, since it uses less digits than its factorization.

2648569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 2648569 is about 1627.4424721015. The cubic root of 2648569 is about 138.3578369844.

The spelling of 2648569 in words is "two million, six hundred forty-eight thousand, five hundred sixty-nine".