2535864 has 32 divisors (see below), whose sum is σ = 6389520. Its totient is φ = 838656.

The previous prime is 2535829. The next prime is 2535881. The reversal of 2535864 is 4685352.

2535864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3432 + ... + 4104.

2^2535864 is an apocalyptic number.

2535864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2535864 is an abundant number, since it is smaller than the sum of its proper divisors (3853656).

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

2535864 is a wasteful number, since it uses less digits than its factorization.

2535864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 835 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 2535864 is about 1592.4396377885. The cubic root of 2535864 is about 136.3668010579.

The spelling of 2535864 in words is "two million, five hundred thirty-five thousand, eight hundred sixty-four".