28412833 has 8 divisors (see below), whose sum is σ = 29592576. Its totient is φ = 27249600.

The previous prime is 28412827. The next prime is 28412861. The reversal of 28412833 is 33821482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28412833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28412795 and 28412804.

It is not an unprimeable number, because it can be changed into a prime (28412803) 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, 553 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (3699072).

Almost surely, 2^28412833 is an apocalyptic number.

It is an amenable number.

28412833 is a deficient number, since it is larger than the sum of its proper divisors (1179743).

28412833 is a wasteful number, since it uses less digits than its factorization.

28412833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255.

The product of its digits is 9216, while the sum is 31.

The square root of 28412833 is about 5330.3689365747. The cubic root of 28412833 is about 305.1440079601.

The spelling of 28412833 in words is "twenty-eight million, four hundred twelve thousand, eight hundred thirty-three".