2558286 has 24 divisors (see below), whose sum is σ = 5572944. Its totient is φ = 848160.

The previous prime is 2558251. The next prime is 2558287. The reversal of 2558286 is 6828552.

It is a self number, because there is not a number n which added to its sum of digits gives 2558286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558287) 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, 5370 + ... + 5826.

It is an arithmetic number, because the mean of its divisors is an integer number (232206).

2^2558286 is an apocalyptic number.

2558286 is an abundant number, since it is smaller than the sum of its proper divisors (3014658).

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

2558286 is a wasteful number, since it uses less digits than its factorization.

2558286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 773 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2558286 is about 1599.4642853156. The cubic root of 2558286 is about 136.7675387224.

It can be divided in two parts, 25 and 58286, that added together give a triangular number (58311 = T₃₄₁).

The spelling of 2558286 in words is "two million, five hundred fifty-eight thousand, two hundred eighty-six".