28350274 has 8 divisors (see below), whose sum is σ = 42569100. Its totient is φ = 14160576.

The previous prime is 28350269. The next prime is 28350277. The reversal of 28350274 is 47205382.

It can be written as a sum of positive squares in 2 ways, for example, as 26594649 + 1755625 = 5157^2 + 1325^2 .

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 (28350277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4659 + ... + 8854.

Almost surely, 2^28350274 is an apocalyptic number.

28350274 is a deficient number, since it is larger than the sum of its proper divisors (14218826).

28350274 is a wasteful number, since it uses less digits than its factorization.

28350274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14564.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 28350274 is about 5324.4975349792. The cubic root of 28350274 is about 304.9198893785.

The spelling of 28350274 in words is "twenty-eight million, three hundred fifty thousand, two hundred seventy-four".