28413546 has 64 divisors (see below), whose sum is σ = 67952640. Its totient is φ = 7750080.

The previous prime is 28413523. The next prime is 28413551. The reversal of 28413546 is 64531482.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180900 + ... + 181056.

It is an arithmetic number, because the mean of its divisors is an integer number (1061760).

Almost surely, 2^28413546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28413546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33976320).

28413546 is an abundant number, since it is smaller than the sum of its proper divisors (39539094).

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

28413546 is a wasteful number, since it uses less digits than its factorization.

28413546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 23040, while the sum is 33.

The square root of 28413546 is about 5330.4358170791. The cubic root of 28413546 is about 305.1465603967.

The spelling of 28413546 in words is "twenty-eight million, four hundred thirteen thousand, five hundred forty-six".