28893154 has 8 divisors (see below), whose sum is σ = 43362540. Its totient is φ = 14438976.

The previous prime is 28893133. The next prime is 28893157. The reversal of 28893154 is 45139882.

It can be written as a sum of positive squares in 2 ways, for example, as 28869129 + 24025 = 5373^2 + 155^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28893157) 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, 5622 + ... + 9454.

Almost surely, 2^28893154 is an apocalyptic number.

28893154 is a deficient number, since it is larger than the sum of its proper divisors (14469386).

28893154 is a wasteful number, since it uses less digits than its factorization.

28893154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604.

The product of its digits is 69120, while the sum is 40.

The square root of 28893154 is about 5375.2352506658. The cubic root of 28893154 is about 306.8539024104.

The spelling of 28893154 in words is "twenty-eight million, eight hundred ninety-three thousand, one hundred fifty-four".