28541982 has 32 divisors (see below), whose sum is σ = 65721600. Its totient is φ = 8094528.

The previous prime is 28541939. The next prime is 28541983. The reversal of 28541982 is 28914582.

It is a self number, because there is not a number n which added to its sum of digits gives 28541982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28541983) 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, 3394 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (2053800).

Almost surely, 2^28541982 is an apocalyptic number.

28541982 is an abundant number, since it is smaller than the sum of its proper divisors (37179618).

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

28541982 is a wasteful number, since it uses less digits than its factorization.

28541982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040.

The product of its digits is 46080, while the sum is 39.

The square root of 28541982 is about 5342.4696536340. The cubic root of 28541982 is about 305.6056477557.

The spelling of 28541982 in words is "twenty-eight million, five hundred forty-one thousand, nine hundred eighty-two".