29989408 has 24 divisors (see below), whose sum is σ = 59164560. Its totient is φ = 14963520.

The previous prime is 29989403. The next prime is 29989417. The reversal of 29989408 is 80498992.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29989403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26943 + ... + 28033.

It is an arithmetic number, because the mean of its divisors is an integer number (2465190).

Almost surely, 2^29989408 is an apocalyptic number.

It is an amenable number.

29989408 is a deficient number, since it is larger than the sum of its proper divisors (29175152).

29989408 is a wasteful number, since it uses less digits than its factorization.

29989408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 29989408 is about 5476.2585768022. The cubic root of 29989408 is about 310.6866776167.

The spelling of 29989408 in words is "twenty-nine million, nine hundred eighty-nine thousand, four hundred eight".