2669256 has 48 divisors (see below), whose sum is σ = 7310160. Its totient is φ = 879840.

The previous prime is 2669243. The next prime is 2669257. The reversal of 2669256 is 6529662.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2669256.

It is not an unprimeable number, because it can be changed into a prime (2669257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9291 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (152295).

2^2669256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2669256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655080).

2669256 is an abundant number, since it is smaller than the sum of its proper divisors (4640904).

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

2669256 is a wasteful number, since it uses less digits than its factorization.

2669256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 419 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2669256 is about 1633.7857876723. The cubic root of 2669256 is about 138.7171239371.

The spelling of 2669256 in words is "two million, six hundred sixty-nine thousand, two hundred fifty-six".