28576629 has 24 divisors (see below), whose sum is σ = 43155840. Its totient is φ = 18198432.

The previous prime is 28576621. The next prime is 28576663. The reversal of 28576629 is 92667582.

It is not a de Polignac number, because 28576629 - 2³ = 28576621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28576621) by changing a digit.

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, 26352 + ... + 27414.

It is an arithmetic number, because the mean of its divisors is an integer number (1798160).

Almost surely, 2^28576629 is an apocalyptic number.

28576629 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

28576629 is a deficient number, since it is larger than the sum of its proper divisors (14579211).

28576629 is a wasteful number, since it uses less digits than its factorization.

28576629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1198 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28576629 is about 5345.7112716644. The cubic root of 28576629 is about 305.7292555859.

The spelling of 28576629 in words is "twenty-eight million, five hundred seventy-six thousand, six hundred twenty-nine".