28417260 has 48 divisors (see below), whose sum is σ = 79835616. Its totient is φ = 7552512.

The previous prime is 28417247. The next prime is 28417267. The reversal of 28417260 is 6271482.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (28417267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23224 + ... + 24416.

It is an arithmetic number, because the mean of its divisors is an integer number (1663242).

Almost surely, 2^28417260 is an apocalyptic number.

28417260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28417260 is an abundant number, since it is smaller than the sum of its proper divisors (51418356).

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

28417260 is a wasteful number, since it uses less digits than its factorization.

28417260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 28417260 is about 5330.7841824632. The cubic root of 28417260 is about 305.1598552872.

It can be divided in two parts, 2841 and 7260, that added together give a palindrome (10101).

The spelling of 28417260 in words is "twenty-eight million, four hundred seventeen thousand, two hundred sixty".