29923213 has 8 divisors (see below), whose sum is σ = 31743360. Its totient is φ = 28109760.

The previous prime is 29923183. The next prime is 29923219. The reversal of 29923213 is 31232992.

It is a happy number.

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 29923213 - 2¹³ = 29915021 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 (29923219) 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, 9868 + ... + 12538.

It is an arithmetic number, because the mean of its divisors is an integer number (3967920).

Almost surely, 2^29923213 is an apocalyptic number.

It is an amenable number.

29923213 is a deficient number, since it is larger than the sum of its proper divisors (1820147).

29923213 is a wasteful number, since it uses less digits than its factorization.

29923213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347.

The product of its digits is 5832, while the sum is 31.

The square root of 29923213 is about 5470.2114218739. The cubic root of 29923213 is about 310.4579184631.

The spelling of 29923213 in words is "twenty-nine million, nine hundred twenty-three thousand, two hundred thirteen".