29639189 has 8 divisors (see below), whose sum is σ = 30827520. Its totient is φ = 28462000.

The previous prime is 29639167. The next prime is 29639201. The reversal of 29639189 is 98193692.

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 29639189 - 2¹² = 29635093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29639149) 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, 2864 + ... + 8214.

It is an arithmetic number, because the mean of its divisors is an integer number (3853440).

Almost surely, 2^29639189 is an apocalyptic number.

29639189 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

29639189 is a deficient number, since it is larger than the sum of its proper divisors (1188331).

29639189 is a wasteful number, since it uses less digits than its factorization.

29639189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571.

The product of its digits is 209952, while the sum is 47.

The square root of 29639189 is about 5444.1885529434. The cubic root of 29639189 is about 309.4725299961.

The spelling of 29639189 in words is "twenty-nine million, six hundred thirty-nine thousand, one hundred eighty-nine".