29896 has 16 divisors (see below), whose sum is σ = 58140. Its totient is φ = 14400.

The previous prime is 29881. The next prime is 29917. The reversal of 29896 is 69892.

It can be written as a sum of positive squares in 2 ways, for example, as 22500 + 7396 = 150^2 + 86^2 .

It is an alternating number because its digits alternate between even and odd.

Its product of digits (7776) is a multiple of the sum of its prime factors (144).

It is an unprimeable number.

29896 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246 + ... + 346.

2²⁹⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

29896 is a deficient number, since it is larger than the sum of its proper divisors (28244).

29896 is a wasteful number, since it uses less digits than its factorization.

29896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 140 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 29896 is about 172.9045979724. The cubic root of 29896 is about 31.0363776905.

The spelling of 29896 in words is "twenty-nine thousand, eight hundred ninety-six".