28829146 has 8 divisors (see below), whose sum is σ = 43277364. Its totient is φ = 14403360.

The previous prime is 28829131. The next prime is 28829153. The reversal of 28829146 is 64192882.

It can be written as a sum of positive squares in 2 ways, for example, as 27973521 + 855625 = 5289^2 + 925^2 .

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

It is a super-2 number, since 2×28829146² = 1662239318178632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28829099 and 28829108.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1905 + ... + 7828.

Almost surely, 2^28829146 is an apocalyptic number.

28829146 is a deficient number, since it is larger than the sum of its proper divisors (14448218).

28829146 is a wasteful number, since it uses less digits than its factorization.

28829146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216.

The product of its digits is 55296, while the sum is 40.

The square root of 28829146 is about 5369.2779775311. The cubic root of 28829146 is about 306.6271402007.

The spelling of 28829146 in words is "twenty-eight million, eight hundred twenty-nine thousand, one hundred forty-six".