29968389 has 12 divisors (see below), whose sum is σ = 47223072. Its totient is φ = 18162600.

The previous prime is 29968387. The next prime is 29968429. The reversal of 29968389 is 98386992.

It is not a de Polignac number, because 29968389 - 2¹ = 29968387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29968381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151257 + ... + 151454.

It is an arithmetic number, because the mean of its divisors is an integer number (3935256).

Almost surely, 2^29968389 is an apocalyptic number.

It is an amenable number.

29968389 is a deficient number, since it is larger than the sum of its proper divisors (17254683).

29968389 is a wasteful number, since it uses less digits than its factorization.

29968389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302728 (or 302725 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 29968389 is about 5474.3391381974. The cubic root of 29968389 is about 310.6140758776.

The spelling of 29968389 in words is "twenty-nine million, nine hundred sixty-eight thousand, three hundred eighty-nine".