28851932 has 6 divisors (see below), whose sum is σ = 50490888. Its totient is φ = 14425964.

The previous prime is 28851919. The next prime is 28851947. The reversal of 28851932 is 23915882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606488 + ... + 3606495.

It is an arithmetic number, because the mean of its divisors is an integer number (8415148).

Almost surely, 2^28851932 is an apocalyptic number.

It is an amenable number.

28851932 is a deficient number, since it is larger than the sum of its proper divisors (21638956).

28851932 is a wasteful number, since it uses less digits than its factorization.

28851932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7212987 (or 7212985 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 28851932 is about 5371.3994452098. The cubic root of 28851932 is about 306.7079029825.

The spelling of 28851932 in words is "twenty-eight million, eight hundred fifty-one thousand, nine hundred thirty-two".