28839054 has 8 divisors (see below), whose sum is σ = 57678120. Its totient is φ = 9613016.

The previous prime is 28839053. The next prime is 28839067. The reversal of 28839054 is 45093882.

It is a happy number.

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

28839054 is an admirable number.

It is a super-2 number, since 2×28839054² = 1663382071229832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28839053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2403249 + ... + 2403260.

It is an arithmetic number, because the mean of its divisors is an integer number (7209765).

Almost surely, 2^28839054 is an apocalyptic number.

28839054 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.

28839054 is a wasteful number, since it uses less digits than its factorization.

28839054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806514.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 28839054 is about 5370.2005549141. The cubic root of 28839054 is about 306.6622633793.

The spelling of 28839054 in words is "twenty-eight million, eight hundred thirty-nine thousand, fifty-four".