28310474 has 16 divisors (see below), whose sum is σ = 45085248. Its totient is φ = 13286592.

The previous prime is 28310473. The next prime is 28310479. The reversal of 28310474 is 47401382.

It is not an unprimeable number, because it can be changed into a prime (28310473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14987 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (2817828).

Almost surely, 2^28310474 is an apocalyptic number.

28310474 is a deficient number, since it is larger than the sum of its proper divisors (16774774).

28310474 is a wasteful number, since it uses less digits than its factorization.

28310474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 28310474 is about 5320.7587804748. The cubic root of 28310474 is about 304.7771336148. Note that the first 3 decimals are identical.

The spelling of 28310474 in words is "twenty-eight million, three hundred ten thousand, four hundred seventy-four".