28026932 has 6 divisors (see below), whose sum is σ = 49047138. Its totient is φ = 14013464.

The previous prime is 28026913. The next prime is 28026937. The reversal of 28026932 is 23962082.

It can be written as a sum of positive squares in only one way, i.e., 27920656 + 106276 = 5284^2 + 326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3503363 + ... + 3503370.

It is an arithmetic number, because the mean of its divisors is an integer number (8174523).

Almost surely, 2^28026932 is an apocalyptic number.

It is an amenable number.

28026932 is a deficient number, since it is larger than the sum of its proper divisors (21020206).

28026932 is a wasteful number, since it uses less digits than its factorization.

28026932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006737 (or 7006735 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 28026932 is about 5294.0468452782. The cubic root of 28026932 is about 303.7562248156.

The spelling of 28026932 in words is "twenty-eight million, twenty-six thousand, nine hundred thirty-two".