29966938 has 8 divisors (see below), whose sum is σ = 45566388. Its totient is φ = 14778144.

The previous prime is 29966897. The next prime is 29966939. The reversal of 29966938 is 83966992.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29408929 + 558009 = 5423^2 + 747^2 .

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

It is not an unprimeable number, because it can be changed into a prime (29966939) 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 3 ways as a sum of consecutive naturals, for example, 102481 + ... + 102772.

Almost surely, 2^29966938 is an apocalyptic number.

29966938 is a deficient number, since it is larger than the sum of its proper divisors (15599450).

29966938 is a wasteful number, since it uses less digits than its factorization.

29966938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205328.

The product of its digits is 1259712, while the sum is 52.

The square root of 29966938 is about 5474.2066091809. The cubic root of 29966938 is about 310.6090627252.

The spelling of 29966938 in words is "twenty-nine million, nine hundred sixty-six thousand, nine hundred thirty-eight".