28935258 has 96 divisors (see below), whose sum is σ = 70555968. Its totient is φ = 7833600.

The previous prime is 28935253. The next prime is 28935323. The reversal of 28935258 is 85253982.

Its product of digits (172800) is a multiple of the sum of its prime factors (128).

It is not an unprimeable number, because it can be changed into a prime (28935253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 705718 + ... + 705758.

It is an arithmetic number, because the mean of its divisors is an integer number (734958).

Almost surely, 2^28935258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28935258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35277984).

28935258 is an abundant number, since it is smaller than the sum of its proper divisors (41620710).

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

28935258 is a wasteful number, since it uses less digits than its factorization.

28935258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 111 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 28935258 is about 5379.1503046485. The cubic root of 28935258 is about 307.0028824085.

The spelling of 28935258 in words is "twenty-eight million, nine hundred thirty-five thousand, two hundred fifty-eight".