28932764 has 12 divisors (see below), whose sum is σ = 57865584. Its totient is φ = 12399744.

The previous prime is 28932751. The next prime is 28932767. The reversal of 28932764 is 46723982.

It is a happy number.

28932764 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28932767) 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, 516629 + ... + 516684.

It is an arithmetic number, because the mean of its divisors is an integer number (4822132).

Almost surely, 2^28932764 is an apocalyptic number.

It is an amenable number.

28932764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28932764 is a wasteful number, since it uses less digits than its factorization.

28932764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033324 (or 1033322 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 28932764 is about 5378.9184786535. The cubic root of 28932764 is about 306.9940617143.

The spelling of 28932764 in words is "twenty-eight million, nine hundred thirty-two thousand, seven hundred sixty-four".