28327498 has 4 divisors (see below), whose sum is σ = 42491250. Its totient is φ = 14163748.

The previous prime is 28327487. The next prime is 28327517. The reversal of 28327498 is 89472382.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89472382 = 2 ⋅44736191.

It can be written as a sum of positive squares in only one way, i.e., 24275329 + 4052169 = 4927^2 + 2013^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7081873 + ... + 7081876.

Almost surely, 2^28327498 is an apocalyptic number.

28327498 is a deficient number, since it is larger than the sum of its proper divisors (14163752).

28327498 is a wasteful number, since it uses less digits than its factorization.

28327498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163751.

The product of its digits is 193536, while the sum is 43.

The square root of 28327498 is about 5322.3583118764. The cubic root of 28327498 is about 304.8382121431.

The spelling of 28327498 in words is "twenty-eight million, three hundred twenty-seven thousand, four hundred ninety-eight".