29892985 has 16 divisors (see below), whose sum is σ = 39404160. Its totient is φ = 21669120.

The previous prime is 29892983. The next prime is 29892991. The reversal of 29892985 is 58929892.

It is a happy number.

It is not a de Polignac number, because 29892985 - 2¹ = 29892983 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (29892983) 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 15 ways as a sum of consecutive naturals, for example, 4656 + ... + 9025.

It is an arithmetic number, because the mean of its divisors is an integer number (2462760).

Almost surely, 2^29892985 is an apocalyptic number.

It is an amenable number.

29892985 is a deficient number, since it is larger than the sum of its proper divisors (9511175).

29892985 is a wasteful number, since it uses less digits than its factorization.

29892985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728.

The product of its digits is 933120, while the sum is 52.

The square root of 29892985 is about 5467.4477592383. The cubic root of 29892985 is about 310.3533431983.

The spelling of 29892985 in words is "twenty-nine million, eight hundred ninety-two thousand, nine hundred eighty-five".