28862430 has 48 divisors (see below), whose sum is σ = 73606320. Its totient is φ = 7241728.

The previous prime is 28862429. The next prime is 28862489. The reversal of 28862430 is 3426882.

It is a junction number, because it is equal to n+sod(n) for n = 28862391 and 28862400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7006 + ... + 10334.

It is an arithmetic number, because the mean of its divisors is an integer number (1533465).

Almost surely, 2^28862430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28862430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36803160).

28862430 is an abundant number, since it is smaller than the sum of its proper divisors (44743890).

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

28862430 is a wasteful number, since it uses less digits than its factorization.

28862430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3356 counting only the distinct ones).

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

The square root of 28862430 is about 5372.3765690800. The cubic root of 28862430 is about 306.7450978241.

It can be divided in two parts, 28862 and 430, that added together give a palindrome (29292).

The spelling of 28862430 in words is "twenty-eight million, eight hundred sixty-two thousand, four hundred thirty".