28947354 has 8 divisors (see below), whose sum is σ = 57894720. Its totient is φ = 9649116.

The previous prime is 28947341. The next prime is 28947361. The reversal of 28947354 is 45374982.

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

28947354 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 2412274 + ... + 2412285.

It is an arithmetic number, because the mean of its divisors is an integer number (7236840).

Almost surely, 2^28947354 is an apocalyptic number.

28947354 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.

28947354 is a wasteful number, since it uses less digits than its factorization.

28947354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824564.

The product of its digits is 241920, while the sum is 42.

The square root of 28947354 is about 5380.2745283117. The cubic root of 28947354 is about 307.0456559402.

The spelling of 28947354 in words is "twenty-eight million, nine hundred forty-seven thousand, three hundred fifty-four".