2864532 has 24 divisors (see below), whose sum is σ = 7291872. Its totient is φ = 868000.

The previous prime is 2864527. The next prime is 2864539. The reversal of 2864532 is 2354682.

It is a self number, because there is not a number n which added to its sum of digits gives 2864532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10719 + ... + 10982.

It is an arithmetic number, because the mean of its divisors is an integer number (303828).

2^2864532 is an apocalyptic number.

2864532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2864532 is an abundant number, since it is smaller than the sum of its proper divisors (4427340).

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

2864532 is a wasteful number, since it uses less digits than its factorization.

2864532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719 (or 21717 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2864532 is about 1692.4928360262. The cubic root of 2864532 is about 142.0205617253.

The spelling of 2864532 in words is "two million, eight hundred sixty-four thousand, five hundred thirty-two".