28992832 has 28 divisors (see below), whose sum is σ = 62764416. Its totient is φ = 13178240.

The previous prime is 28992823. The next prime is 28992833. The reversal of 28992832 is 23829982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28992833) by changing a digit.

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, 19888 + ... + 21295.

Almost surely, 2^28992832 is an apocalyptic number.

28992832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28992832 is an abundant number, since it is smaller than the sum of its proper divisors (33771584).

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

28992832 is a wasteful number, since it uses less digits than its factorization.

28992832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41206 (or 41196 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 28992832 is about 5384.4992339121. The cubic root of 28992832 is about 307.2063674172.

The spelling of 28992832 in words is "twenty-eight million, nine hundred ninety-two thousand, eight hundred thirty-two".