28882542 has 32 divisors (see below), whose sum is σ = 62445600. Its totient is φ = 8853120.

The previous prime is 28882537. The next prime is 28882543. The reversal of 28882542 is 24528882.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 28882542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28882543) 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, 26692 + ... + 27752.

It is an arithmetic number, because the mean of its divisors is an integer number (1951425).

Almost surely, 2^28882542 is an apocalyptic number.

28882542 is an abundant number, since it is smaller than the sum of its proper divisors (33563058).

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

28882542 is a wasteful number, since it uses less digits than its factorization.

28882542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428.

The product of its digits is 81920, while the sum is 39.

The square root of 28882542 is about 5374.2480404239. The cubic root of 28882542 is about 306.8163302764.

The spelling of 28882542 in words is "twenty-eight million, eight hundred eighty-two thousand, five hundred forty-two".