28082460 has 48 divisors (see below), whose sum is σ = 89865216. Its totient is φ = 6418752.

The previous prime is 28082459. The next prime is 28082479. The reversal of 28082460 is 6428082.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33012 + ... + 33851.

It is an arithmetic number, because the mean of its divisors is an integer number (1872192).

Almost surely, 2^28082460 is an apocalyptic number.

28082460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28082460 is an abundant number, since it is smaller than the sum of its proper divisors (61782756).

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

28082460 is a wasteful number, since it uses less digits than its factorization.

28082460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66882 (or 66880 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 28082460 is about 5299.2886315052. The cubic root of 28082460 is about 303.9566968560.

The spelling of 28082460 in words is "twenty-eight million, eighty-two thousand, four hundred sixty".