28829152 has 24 divisors (see below), whose sum is σ = 61917912. Its totient is φ = 13104000.

The previous prime is 28829131. The next prime is 28829153. The reversal of 28829152 is 25192882.

It is a super-2 number, since 2×28829152² = 1662240010078208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28829153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40599 + ... + 41302.

It is an arithmetic number, because the mean of its divisors is an integer number (2579913).

Almost surely, 2^28829152 is an apocalyptic number.

28829152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28829152 is an abundant number, since it is smaller than the sum of its proper divisors (33088760).

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

28829152 is a wasteful number, since it uses less digits than its factorization.

28829152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81922 (or 81914 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 28829152 is about 5369.2785362654. The cubic root of 28829152 is about 306.6271614728.

The spelling of 28829152 in words is "twenty-eight million, eight hundred twenty-nine thousand, one hundred fifty-two".