28854460 has 12 divisors (see below), whose sum is σ = 60594408. Its totient is φ = 11541776.

The previous prime is 28854401. The next prime is 28854473. The reversal of 28854460 is 6445882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721342 + ... + 721381.

It is an arithmetic number, because the mean of its divisors is an integer number (5049534).

Almost surely, 2^28854460 is an apocalyptic number.

28854460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28854460 is an abundant number, since it is smaller than the sum of its proper divisors (31739948).

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

28854460 is a wasteful number, since it uses less digits than its factorization.

28854460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442732 (or 1442730 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 28854460 is about 5371.6347604803. The cubic root of 28854460 is about 306.7168606141.

The spelling of 28854460 in words is "twenty-eight million, eight hundred fifty-four thousand, four hundred sixty".