2569842 has 24 divisors (see below), whose sum is σ = 6074640. Its totient is φ = 778680.

The previous prime is 2569841. The next prime is 2569891. The reversal of 2569842 is 2489652.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁹ + 6² + 9⁵ + 8³ + 4³ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2569797 and 2569806.

It is not an unprimeable number, because it can be changed into a prime (2569841) 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, 6292 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (253110).

2^2569842 is an apocalyptic number.

2569842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2569842 is an abundant number, since it is smaller than the sum of its proper divisors (3504798).

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

2569842 is a wasteful number, since it uses less digits than its factorization.

2569842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12998 (or 12995 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2569842 is about 1603.0726745847. The cubic root of 2569842 is about 136.9731597125.

The spelling of 2569842 in words is "two million, five hundred sixty-nine thousand, eight hundred forty-two".