28296154 has 4 divisors (see below), whose sum is σ = 42444234. Its totient is φ = 14148076.

The previous prime is 28296137. The next prime is 28296167. The reversal of 28296154 is 45169282.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24235929 + 4060225 = 4923^2 + 2015^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7074037 + ... + 7074040.

Almost surely, 2^28296154 is an apocalyptic number.

28296154 is a deficient number, since it is larger than the sum of its proper divisors (14148080).

28296154 is a wasteful number, since it uses less digits than its factorization.

28296154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148079.

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

The square root of 28296154 is about 5319.4129375336. The cubic root of 28296154 is about 304.7257375057.

The spelling of 28296154 in words is "twenty-eight million, two hundred ninety-six thousand, one hundred fifty-four".