28474633 has 8 divisors (see below), whose sum is σ = 31255776. Its totient is φ = 25725600.

The previous prime is 28474631. The next prime is 28474637. The reversal of 28474633 is 33647482.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28474633 - 2¹ = 28474631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28474592 and 28474601.

It is not an unprimeable number, because it can be changed into a prime (28474631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6148 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (3906972).

Almost surely, 2^28474633 is an apocalyptic number.

It is an amenable number.

28474633 is a deficient number, since it is larger than the sum of its proper divisors (2781143).

28474633 is a wasteful number, since it uses less digits than its factorization.

28474633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16055.

The product of its digits is 96768, while the sum is 37.

The square root of 28474633 is about 5336.1627598865. The cubic root of 28474633 is about 305.3650846329.

The spelling of 28474633 in words is "twenty-eight million, four hundred seventy-four thousand, six hundred thirty-three".