28916542 has 8 divisors (see below), whose sum is σ = 43459632. Its totient is φ = 14430000.

The previous prime is 28916539. The next prime is 28916557. The reversal of 28916542 is 24561982.

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, 12834 + ... + 14917.

It is an arithmetic number, because the mean of its divisors is an integer number (5432454).

Almost surely, 2^28916542 is an apocalyptic number.

28916542 is a deficient number, since it is larger than the sum of its proper divisors (14543090).

28916542 is a wasteful number, since it uses less digits than its factorization.

28916542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274.

The product of its digits is 34560, while the sum is 37.

The square root of 28916542 is about 5377.4103432786. The cubic root of 28916542 is about 306.9366759226.

The spelling of 28916542 in words is "twenty-eight million, nine hundred sixteen thousand, five hundred forty-two".