29923009 has 8 divisors (see below), whose sum is σ = 31777920. Its totient is φ = 28078656.

The previous prime is 29922979. The next prime is 29923057. The reversal of 29923009 is 90032992.

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

It is a cyclic number.

It is not a de Polignac number, because 29923009 - 2²¹ = 27825857 is a prime.

It is a super-2 number, since 2×29923009² = 1790772935228162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29923109) 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 7 ways as a sum of consecutive naturals, for example, 3652 + ... + 8554.

It is an arithmetic number, because the mean of its divisors is an integer number (3972240).

Almost surely, 2^29923009 is an apocalyptic number.

It is an amenable number.

29923009 is a deficient number, since it is larger than the sum of its proper divisors (1854911).

29923009 is a wasteful number, since it uses less digits than its factorization.

29923009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 29923009 is about 5470.1927753965. The cubic root of 29923009 is about 310.4572129511.

The spelling of 29923009 in words is "twenty-nine million, nine hundred twenty-three thousand, nine".