29939706 has 80 divisors (see below), whose sum is σ = 72135360. Its totient is φ = 9253440.

The previous prime is 29939681. The next prime is 29939713. The reversal of 29939706 is 60793992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 218470 + ... + 218606.

It is an arithmetic number, because the mean of its divisors is an integer number (901692).

Almost surely, 2^29939706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29939706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36067680).

29939706 is an abundant number, since it is smaller than the sum of its proper divisors (42195654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29939706 is a wasteful number, since it uses less digits than its factorization.

29939706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 29939706 is about 5471.7187427718. The cubic root of 29939706 is about 310.5149471205.

The spelling of 29939706 in words is "twenty-nine million, nine hundred thirty-nine thousand, seven hundred six".