28032468 has 12 divisors (see below), whose sum is σ = 65409120. Its totient is φ = 9344152.

The previous prime is 28032461. The next prime is 28032481. The reversal of 28032468 is 86423082.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28032461) 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, 1168008 + ... + 1168031.

It is an arithmetic number, because the mean of its divisors is an integer number (5450760).

Almost surely, 2^28032468 is an apocalyptic number.

It is an amenable number.

28032468 is an abundant number, since it is smaller than the sum of its proper divisors (37376652).

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

28032468 is a wasteful number, since it uses less digits than its factorization.

28032468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336046 (or 2336044 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28032468 is about 5294.5696708987. The cubic root of 28032468 is about 303.7762232437.

The spelling of 28032468 in words is "twenty-eight million, thirty-two thousand, four hundred sixty-eight".