29928168 has 24 divisors (see below), whose sum is σ = 81055650. Its totient is φ = 9976032.

The previous prime is 29928149. The next prime is 29928179. The reversal of 29928168 is 86182992.

It can be written as a sum of positive squares in only one way, i.e., 21178404 + 8749764 = 4602^2 + 2958^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207763 + ... + 207906.

Almost surely, 2^29928168 is an apocalyptic number.

It is an amenable number.

29928168 is an abundant number, since it is smaller than the sum of its proper divisors (51127482).

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

29928168 is a wasteful number, since it uses less digits than its factorization.

29928168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415681 (or 415674 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 29928168 is about 5470.6643106665. The cubic root of 29928168 is about 310.4750538120.

The spelling of 29928168 in words is "twenty-nine million, nine hundred twenty-eight thousand, one hundred sixty-eight".