28829616 has 40 divisors (see below), whose sum is σ = 74672304. Its totient is φ = 9584640.

The previous prime is 28829599. The next prime is 28829617. The reversal of 28829616 is 61692882.

It is a super-2 number, since 2×28829616² = 1662293517414912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28829617) 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, 30300 + ... + 31236.

Almost surely, 2^28829616 is an apocalyptic number.

It is an amenable number.

28829616 is an abundant number, since it is smaller than the sum of its proper divisors (45842688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28829616 is a wasteful number, since it uses less digits than its factorization.

28829616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1583 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 28829616 is about 5369.3217448762. The cubic root of 28829616 is about 306.6288065002.

The spelling of 28829616 in words is "twenty-eight million, eight hundred twenty-nine thousand, six hundred sixteen".