28629152 has 24 divisors (see below), whose sum is σ = 57741012. Its totient is φ = 13964800.

The previous prime is 28629149. The next prime is 28629163. The reversal of 28629152 is 25192682.

It is a happy number.

It is a Cunningham number, because it is equal to 31⁵+1.

It can be written as a sum of positive squares in 2 ways, for example, as 27081616 + 1547536 = 5204^2 + 1244^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9599 + ... + 12222.

Almost surely, 2^28629152 is an apocalyptic number.

It is an amenable number.

28629152 is an abundant number, since it is smaller than the sum of its proper divisors (29111860).

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

28629152 is a wasteful number, since it uses less digits than its factorization.

28629152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21872 (or 21864 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 28629152 is about 5350.6216461267. The cubic root of 28629152 is about 305.9164480616.

The spelling of 28629152 in words is "twenty-eight million, six hundred twenty-nine thousand, one hundred fifty-two".