28429016 has 96 divisors (see below), whose sum is σ = 71409600. Its totient is φ = 10463040.

The previous prime is 28429001. The next prime is 28429021. The reversal of 28429016 is 61092482.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 81755 + ... + 82101.

It is an arithmetic number, because the mean of its divisors is an integer number (743850).

Almost surely, 2^28429016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28429016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35704800).

28429016 is an abundant number, since it is smaller than the sum of its proper divisors (42980584).

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

28429016 is a wasteful number, since it uses less digits than its factorization.

28429016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 28429016 is about 5331.8867204771. The cubic root of 28429016 is about 305.2019302406.

The spelling of 28429016 in words is "twenty-eight million, four hundred twenty-nine thousand, sixteen".