29996405 has 8 divisors (see below), whose sum is σ = 36070272. Its totient is φ = 23947408.

The previous prime is 29996371. The next prime is 29996419. The reversal of 29996405 is 50469992.

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 29996405 - 2⁶ = 29996341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 3449 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (4508784).

Almost surely, 2^29996405 is an apocalyptic number.

It is an amenable number.

29996405 is a deficient number, since it is larger than the sum of its proper divisors (6073867).

29996405 is a wasteful number, since it uses less digits than its factorization.

29996405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 29996405 is about 5476.8973881204. The cubic root of 29996405 is about 310.7108384320.

The spelling of 29996405 in words is "twenty-nine million, nine hundred ninety-six thousand, four hundred five".