28469533 has 8 divisors (see below), whose sum is σ = 29092608. Its totient is φ = 27849744.

The previous prime is 28469527. The next prime is 28469549. The reversal of 28469533 is 33596482.

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 28469533 - 2¹³ = 28461341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28469513) 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, 25260 + ... + 26362.

It is an arithmetic number, because the mean of its divisors is an integer number (3636576).

Almost surely, 2^28469533 is an apocalyptic number.

It is an amenable number.

28469533 is a deficient number, since it is larger than the sum of its proper divisors (623075).

28469533 is a wasteful number, since it uses less digits than its factorization.

28469533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

The product of its digits is 155520, while the sum is 40.

The square root of 28469533 is about 5335.6848670063. The cubic root of 28469533 is about 305.3468525581.

The spelling of 28469533 in words is "twenty-eight million, four hundred sixty-nine thousand, five hundred thirty-three".