29989846 has 8 divisors (see below), whose sum is σ = 45088560. Its totient is φ = 14960328.

The previous prime is 29989837. The next prime is 29989849. The reversal of 29989846 is 64898992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29989849) 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, 16201 + ... + 17956.

It is an arithmetic number, because the mean of its divisors is an integer number (5636070).

Almost surely, 2^29989846 is an apocalyptic number.

29989846 is a deficient number, since it is larger than the sum of its proper divisors (15098714).

29989846 is a wasteful number, since it uses less digits than its factorization.

29989846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34598.

The product of its digits is 2239488, while the sum is 55.

The square root of 29989846 is about 5476.2985674632. The cubic root of 29989846 is about 310.6881901519.

The spelling of 29989846 in words is "twenty-nine million, nine hundred eighty-nine thousand, eight hundred forty-six".