28474653 has 8 divisors (see below), whose sum is σ = 38134368. Its totient is φ = 18899024.

The previous prime is 28474651. The next prime is 28474657. The reversal of 28474653 is 35647482.

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 28474653 - 2¹ = 28474651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28474651) 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, 20226 + ... + 21587.

It is an arithmetic number, because the mean of its divisors is an integer number (4766796).

Almost surely, 2^28474653 is an apocalyptic number.

It is an amenable number.

28474653 is a deficient number, since it is larger than the sum of its proper divisors (9659715).

28474653 is a wasteful number, since it uses less digits than its factorization.

28474653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42043.

The product of its digits is 161280, while the sum is 39.

The square root of 28474653 is about 5336.1646338920. The cubic root of 28474653 is about 305.3651561269.

The spelling of 28474653 in words is "twenty-eight million, four hundred seventy-four thousand, six hundred fifty-three".