29939668 has 48 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 12653280.

The previous prime is 29939639. The next prime is 29939681. The reversal of 29939668 is 86693992.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49021 + ... + 49627.

It is an arithmetic number, because the mean of its divisors is an integer number (1276800).

Almost surely, 2^29939668 is an apocalyptic number.

It is an amenable number.

29939668 is an abundant number, since it is smaller than the sum of its proper divisors (31346732).

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

29939668 is a wasteful number, since it uses less digits than its factorization.

29939668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 698 counting only the distinct ones).

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

The square root of 29939668 is about 5471.7152703700. The cubic root of 29939668 is about 310.5148157501.

The spelling of 29939668 in words is "twenty-nine million, nine hundred thirty-nine thousand, six hundred sixty-eight".