28898982 has 48 divisors (see below), whose sum is σ = 71964672. Its totient is φ = 8210160.

The previous prime is 28898957. The next prime is 28898983. The reversal of 28898982 is 28989882.

It is a super-4 number, since 4×28898982⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28898983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26043 + ... + 27129.

It is an arithmetic number, because the mean of its divisors is an integer number (1499264).

Almost surely, 2^28898982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28898982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35982336).

28898982 is an abundant number, since it is smaller than the sum of its proper divisors (43065690).

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

28898982 is a wasteful number, since it uses less digits than its factorization.

28898982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313 (or 1310 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The square root of 28898982 is about 5375.7773391390. Note that the first 3 decimals coincide. The cubic root of 28898982 is about 306.8745327220.

The spelling of 28898982 in words is "twenty-eight million, eight hundred ninety-eight thousand, nine hundred eighty-two".