28867032 has 24 divisors (see below), whose sum is σ = 78181740. Its totient is φ = 9622320.

The previous prime is 28867031. The next prime is 28867039. The reversal of 28867032 is 23076882.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28867031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200394 + ... + 200537.

Almost surely, 2^28867032 is an apocalyptic number.

It is an amenable number.

28867032 is an abundant number, since it is smaller than the sum of its proper divisors (49314708).

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

28867032 is a wasteful number, since it uses less digits than its factorization.

28867032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400943 (or 400936 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 28867032 is about 5372.8048540776. The cubic root of 28867032 is about 306.7614000542.

The spelling of 28867032 in words is "twenty-eight million, eight hundred sixty-seven thousand, thirty-two".