28759032 has 48 divisors (see below), whose sum is σ = 78638040. Its totient is φ = 9494208.

The previous prime is 28759021. The next prime is 28759033. The reversal of 28759032 is 23095782.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (28759033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5838 + ... + 9570.

Almost surely, 2^28759032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28759032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39319020).

28759032 is an abundant number, since it is smaller than the sum of its proper divisors (49879008).

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

28759032 is a wasteful number, since it uses less digits than its factorization.

28759032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 28759032 is about 5362.7448195863. The cubic root of 28759032 is about 306.3783606303.

It can be divided in two parts, 287 and 59032, that added together give a cube (59319 = 39³).

The spelling of 28759032 in words is "twenty-eight million, seven hundred fifty-nine thousand, thirty-two".