28867832 has 32 divisors (see below), whose sum is σ = 62116320. Its totient is φ = 12320640.

The previous prime is 28867831. The next prime is 28867841. The reversal of 28867832 is 23876882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28867831) 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, 14582 + ... + 16442.

It is an arithmetic number, because the mean of its divisors is an integer number (1941135).

Almost surely, 2^28867832 is an apocalyptic number.

It is an amenable number.

28867832 is an abundant number, since it is smaller than the sum of its proper divisors (33248488).

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

28867832 is a wasteful number, since it uses less digits than its factorization.

28867832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2147 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 28867832 is about 5372.8793025714. The cubic root of 28867832 is about 306.7642338157.

The spelling of 28867832 in words is "twenty-eight million, eight hundred sixty-seven thousand, eight hundred thirty-two".