28262532 has 12 divisors (see below), whose sum is σ = 65945936. Its totient is φ = 9420840.

The previous prime is 28262513. The next prime is 28262537. The reversal of 28262532 is 23526282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 28262532.

It is not an unprimeable number, because it can be changed into a prime (28262537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177594 + ... + 1177617.

Almost surely, 2^28262532 is an apocalyptic number.

It is an amenable number.

28262532 is an abundant number, since it is smaller than the sum of its proper divisors (37683404).

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

28262532 is a wasteful number, since it uses less digits than its factorization.

28262532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355218 (or 2355216 counting only the distinct ones).

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

The square root of 28262532 is about 5316.2516870442. The cubic root of 28262532 is about 304.6049961335.

The spelling of 28262532 in words is "twenty-eight million, two hundred sixty-two thousand, five hundred thirty-two".