28935270 has 96 divisors (see below), whose sum is σ = 92619072. Its totient is φ = 6103296.

The previous prime is 28935253. The next prime is 28935323. The reversal of 28935270 is 7253982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6424 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (964782).

Almost surely, 2^28935270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28935270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46309536).

28935270 is an abundant number, since it is smaller than the sum of its proper divisors (63683802).

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

28935270 is a wasteful number, since it uses less digits than its factorization.

28935270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566 (or 3563 counting only the distinct ones).

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

The square root of 28935270 is about 5379.1514200662. The cubic root of 28935270 is about 307.0029248484.

The spelling of 28935270 in words is "twenty-eight million, nine hundred thirty-five thousand, two hundred seventy".