29734989 has 16 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 18444800.

The previous prime is 29734987. The next prime is 29734993. The reversal of 29734989 is 98943792.

It is a cyclic number.

It is not a de Polignac number, because 29734989 - 2¹ = 29734987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29734987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264 + ... + 7814.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^29734989 is an apocalyptic number.

It is an amenable number.

29734989 is a deficient number, since it is larger than the sum of its proper divisors (12721971).

29734989 is a wasteful number, since it uses less digits than its factorization.

29734989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660.

The product of its digits is 979776, while the sum is 51.

The square root of 29734989 is about 5452.9798275805. The cubic root of 29734989 is about 309.8055978516.

The spelling of 29734989 in words is "twenty-nine million, seven hundred thirty-four thousand, nine hundred eighty-nine".