29950909 has 4 divisors (see below), whose sum is σ = 29970016. Its totient is φ = 29931804.

The previous prime is 29950861. The next prime is 29950913. The reversal of 29950909 is 90905992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29950909 - 2²¹ = 27853757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29950979) 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 3 ways as a sum of consecutive naturals, for example, 6969 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (7492504).

Almost surely, 2^29950909 is an apocalyptic number.

It is an amenable number.

29950909 is a deficient number, since it is larger than the sum of its proper divisors (19107).

29950909 is a wasteful number, since it uses less digits than its factorization.

29950909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19106.

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 29950909 is about 5472.7423655787. The cubic root of 29950909 is about 310.5536723410.

The spelling of 29950909 in words is "twenty-nine million, nine hundred fifty thousand, nine hundred nine".