28922982 has 32 divisors (see below), whose sum is σ = 63296640. Its totient is φ = 8737920.

The previous prime is 28922977. The next prime is 28922987.

28922982 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (28922977) and next prime (28922987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28922987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38769 + ... + 39507.

It is an arithmetic number, because the mean of its divisors is an integer number (1978020).

Almost surely, 2^28922982 is an apocalyptic number.

28922982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28922982 is an abundant number, since it is smaller than the sum of its proper divisors (34373658).

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

28922982 is a wasteful number, since it uses less digits than its factorization.

28922982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its digits is 82944, while the sum is 42.

The square root of 28922982 is about 5378.0091111860. The cubic root of 28922982 is about 306.9594601761.

The spelling of 28922982 in words is "twenty-eight million, nine hundred twenty-two thousand, nine hundred eighty-two".