28839574 has 8 divisors (see below), whose sum is σ = 43289640. Its totient is φ = 14409696.

The previous prime is 28839557. The next prime is 28839583. The reversal of 28839574 is 47593882.

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, 739 + ... + 7630.

It is an arithmetic number, because the mean of its divisors is an integer number (5411205).

Almost surely, 2^28839574 is an apocalyptic number.

28839574 is a deficient number, since it is larger than the sum of its proper divisors (14450066).

28839574 is a wasteful number, since it uses less digits than its factorization.

28839574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094.

The product of its digits is 483840, while the sum is 46.

The square root of 28839574 is about 5370.2489700199. The cubic root of 28839574 is about 306.6641065214.

The spelling of 28839574 in words is "twenty-eight million, eight hundred thirty-nine thousand, five hundred seventy-four".