28677342 has 8 divisors (see below), whose sum is σ = 57354696. Its totient is φ = 9559112.

The previous prime is 28677307. The next prime is 28677349. The reversal of 28677342 is 24377682.

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

28677342 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28677342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28677349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389773 + ... + 2389784.

It is an arithmetic number, because the mean of its divisors is an integer number (7169337).

Almost surely, 2^28677342 is an apocalyptic number.

28677342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28677342 is a wasteful number, since it uses less digits than its factorization.

28677342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779562.

The product of its digits is 112896, while the sum is 39.

The square root of 28677342 is about 5355.1229677758. The cubic root of 28677342 is about 306.0879963935.

The spelling of 28677342 in words is "twenty-eight million, six hundred seventy-seven thousand, three hundred forty-two".