29994439 has 8 divisors (see below), whose sum is σ = 31122000. Its totient is φ = 28873152.

The previous prime is 29994431. The next prime is 29994451. The reversal of 29994439 is 93449992.

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 29994439 - 2³ = 29994431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29994392 and 29994401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29994431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9627 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (3890250).

Almost surely, 2^29994439 is an apocalyptic number.

29994439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

29994439 is a deficient number, since it is larger than the sum of its proper divisors (1127561).

29994439 is a wasteful number, since it uses less digits than its factorization.

29994439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its digits is 629856, while the sum is 49.

The square root of 29994439 is about 5476.7179040005. The cubic root of 29994439 is about 310.7040501646.

The spelling of 29994439 in words is "twenty-nine million, nine hundred ninety-four thousand, four hundred thirty-nine".