28402683 has 8 divisors (see below), whose sum is σ = 38326848. Its totient is φ = 18706824.

The previous prime is 28402681. The next prime is 28402691. The reversal of 28402683 is 38620482.

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

It is not a de Polignac number, because 28402683 - 2¹ = 28402681 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28402681) 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, 56785 + ... + 57282.

It is an arithmetic number, because the mean of its divisors is an integer number (4790856).

Almost surely, 2^28402683 is an apocalyptic number.

28402683 is a deficient number, since it is larger than the sum of its proper divisors (9924165).

28402683 is a wasteful number, since it uses less digits than its factorization.

28402683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114153.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28402683 is about 5329.4167598340. The cubic root of 28402683 is about 305.1076678017.

The spelling of 28402683 in words is "twenty-eight million, four hundred two thousand, six hundred eighty-three".