28352592 has 100 divisors (see below), whose sum is σ = 83182176. Its totient is φ = 9322560.

The previous prime is 28352581. The next prime is 28352603. The reversal of 28352592 is 29525382.

It is an interprime number because it is at equal distance from previous prime (28352581) and next prime (28352603).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 169693 + ... + 169859.

Almost surely, 2^28352592 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 28352592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41591088).

28352592 is an abundant number, since it is smaller than the sum of its proper divisors (54829584).

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

28352592 is a wasteful number, since it uses less digits than its factorization.

28352592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 303 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 28352592 is about 5324.7152036517. The cubic root of 28352592 is about 304.9281995280.

The spelling of 28352592 in words is "twenty-eight million, three hundred fifty-two thousand, five hundred ninety-two".