28575342 has 64 divisors (see below), whose sum is σ = 66124800. Its totient is φ = 9255384.

The previous prime is 28575341. The next prime is 28575343. The reversal of 28575342 is 24357582.

It is an interprime number because it is at equal distance from previous prime (28575341) and next prime (28575343).

It is a junction number, because it is equal to n+sod(n) for n = 28575297 and 28575306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205509 + ... + 205647.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200).

Almost surely, 2^28575342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28575342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33062400).

28575342 is an abundant number, since it is smaller than the sum of its proper divisors (37549458).

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

28575342 is an equidigital number, since it uses as much as digits as its factorization.

28575342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 28575342 is about 5345.5908934373. The cubic root of 28575342 is about 305.7246658276.

The spelling of 28575342 in words is "twenty-eight million, five hundred seventy-five thousand, three hundred forty-two".