28494338 has 8 divisors (see below), whose sum is σ = 44991120. Its totient is φ = 13497300.

The previous prime is 28494331. The next prime is 28494341. The reversal of 28494338 is 83349482.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28494295 and 28494304.

It is not an unprimeable number, because it can be changed into a prime (28494331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374888 + ... + 374963.

It is an arithmetic number, because the mean of its divisors is an integer number (5623890).

Almost surely, 2^28494338 is an apocalyptic number.

28494338 is a deficient number, since it is larger than the sum of its proper divisors (16496782).

28494338 is a wasteful number, since it uses less digits than its factorization.

28494338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749872.

The product of its digits is 165888, while the sum is 41.

The square root of 28494338 is about 5338.0088047885. The cubic root of 28494338 is about 305.4355079171.

The spelling of 28494338 in words is "twenty-eight million, four hundred ninety-four thousand, three hundred thirty-eight".