29201985 has 32 divisors (see below), whose sum is σ = 53712000. Its totient is φ = 15035328.

The previous prime is 29201983. The next prime is 29202001. The reversal of 29201985 is 58910292.

It is not a de Polignac number, because 29201985 - 2¹ = 29201983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29201983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186 + ... + 7644.

It is an arithmetic number, because the mean of its divisors is an integer number (1678500).

Almost surely, 2^29201985 is an apocalyptic number.

It is an amenable number.

29201985 is a deficient number, since it is larger than the sum of its proper divisors (24510015).

29201985 is a wasteful number, since it uses less digits than its factorization.

29201985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502 (or 7496 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 29201985 is about 5403.8861016865. The cubic root of 29201985 is about 307.9433224826.

The spelling of 29201985 in words is "twenty-nine million, two hundred one thousand, nine hundred eighty-five".