28817354 has 4 divisors (see below), whose sum is σ = 43226034. Its totient is φ = 14408676.

The previous prime is 28817333. The next prime is 28817359. The reversal of 28817354 is 45371882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45371882 = 2 ⋅22685941.

It can be written as a sum of positive squares in only one way, i.e., 28334329 + 483025 = 5323^2 + 695^2 .

It is a super-2 number, since 2×28817354² = 1660879783122632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28817359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7204337 + ... + 7204340.

Almost surely, 2^28817354 is an apocalyptic number.

28817354 is a deficient number, since it is larger than the sum of its proper divisors (14408680).

28817354 is a wasteful number, since it uses less digits than its factorization.

28817354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408679.

The product of its digits is 53760, while the sum is 38.

The square root of 28817354 is about 5368.1797659914. The cubic root of 28817354 is about 306.5853278819.

The spelling of 28817354 in words is "twenty-eight million, eight hundred seventeen thousand, three hundred fifty-four".