29308985 has 8 divisors (see below), whose sum is σ = 35203776. Its totient is φ = 23425200.

The previous prime is 29308943. The next prime is 29308999. The reversal of 29308985 is 58980392.

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

It is not a de Polignac number, because 29308985 - 2¹⁶ = 29243449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5210 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (4400472).

Almost surely, 2^29308985 is an apocalyptic number.

It is an amenable number.

29308985 is a deficient number, since it is larger than the sum of its proper divisors (5894791).

29308985 is a wasteful number, since it uses less digits than its factorization.

29308985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 29308985 is about 5413.7773319559. Note that the first 3 decimals coincide. The cubic root of 29308985 is about 308.3189792847.

The spelling of 29308985 in words is "twenty-nine million, three hundred eight thousand, nine hundred eighty-five".