29886928 has 20 divisors (see below), whose sum is σ = 58440580. Its totient is φ = 14805504.

The previous prime is 29886917. The next prime is 29886929. The reversal of 29886928 is 82968892.

It can be written as a sum of positive squares in 2 ways, for example, as 7683984 + 22202944 = 2772^2 + 4712^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29886929) 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, 6825 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (2922029).

Almost surely, 2^29886928 is an apocalyptic number.

It is an amenable number.

29886928 is a deficient number, since it is larger than the sum of its proper divisors (28553652).

29886928 is a wasteful number, since it uses less digits than its factorization.

29886928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17254 (or 17248 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 29886928 is about 5466.8938164190. The cubic root of 29886928 is about 310.3323802290.

The spelling of 29886928 in words is "twenty-nine million, eight hundred eighty-six thousand, nine hundred twenty-eight".