29829985 has 8 divisors (see below), whose sum is σ = 37901736. Its totient is φ = 22460160.

The previous prime is 29829983. The next prime is 29829991. The reversal of 29829985 is 58992892.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 28387584 = 1201^2 + 5328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29829985 - 2¹ = 29829983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29829983) 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 7 ways as a sum of consecutive naturals, for example, 175386 + ... + 175555.

It is an arithmetic number, because the mean of its divisors is an integer number (4737717).

Almost surely, 2^29829985 is an apocalyptic number.

It is an amenable number.

29829985 is a deficient number, since it is larger than the sum of its proper divisors (8071751).

29829985 is a wasteful number, since it uses less digits than its factorization.

29829985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350963.

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

The square root of 29829985 is about 5461.6833485657. The cubic root of 29829985 is about 310.1351647828.

The spelling of 29829985 in words is "twenty-nine million, eight hundred twenty-nine thousand, nine hundred eighty-five".