28873582 has 8 divisors (see below), whose sum is σ = 45858096. Its totient is φ = 13587552.

The previous prime is 28873573. The next prime is 28873591. The reversal of 28873582 is 28537882.

It is an interprime number because it is at equal distance from previous prime (28873573) and next prime (28873591).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424578 + ... + 424645.

It is an arithmetic number, because the mean of its divisors is an integer number (5732262).

Almost surely, 2^28873582 is an apocalyptic number.

28873582 is a deficient number, since it is larger than the sum of its proper divisors (16984514).

28873582 is a wasteful number, since it uses less digits than its factorization.

28873582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849242.

The product of its digits is 215040, while the sum is 43.

The square root of 28873582 is about 5373.4143707702. The cubic root of 28873582 is about 306.7845999363.

The spelling of 28873582 in words is "twenty-eight million, eight hundred seventy-three thousand, five hundred eighty-two".