28829517 has 8 divisors (see below), whose sum is σ = 40462560. Its totient is φ = 18208080.

The previous prime is 28829483. The next prime is 28829527. The reversal of 28829517 is 71592882.

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

It is not a de Polignac number, because 28829517 - 2⁶ = 28829453 is a prime.

It is a super-2 number, since 2×28829517² = 1662282100906578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28829527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252834 + ... + 252947.

It is an arithmetic number, because the mean of its divisors is an integer number (5057820).

Almost surely, 2^28829517 is an apocalyptic number.

It is an amenable number.

28829517 is a deficient number, since it is larger than the sum of its proper divisors (11633043).

28829517 is a wasteful number, since it uses less digits than its factorization.

28829517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505803.

The product of its digits is 80640, while the sum is 42.

The square root of 28829517 is about 5369.3125258267. The cubic root of 28829517 is about 306.6284555152.

The spelling of 28829517 in words is "twenty-eight million, eight hundred twenty-nine thousand, five hundred seventeen".