28354678 has 8 divisors (see below), whose sum is σ = 46398600. Its totient is φ = 12888480.

The previous prime is 28354661. The next prime is 28354681. The reversal of 28354678 is 87645382.

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, 644403 + ... + 644446.

It is an arithmetic number, because the mean of its divisors is an integer number (5799825).

Almost surely, 2^28354678 is an apocalyptic number.

28354678 is a deficient number, since it is larger than the sum of its proper divisors (18043922).

28354678 is a wasteful number, since it uses less digits than its factorization.

28354678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288862.

The product of its digits is 322560, while the sum is 43.

The square root of 28354678 is about 5324.9110790698. The cubic root of 28354678 is about 304.9356775582.

The spelling of 28354678 in words is "twenty-eight million, three hundred fifty-four thousand, six hundred seventy-eight".