29989056 has 56 divisors (see below), whose sum is σ = 82808064. Its totient is φ = 9560320.

The previous prime is 29989027. The next prime is 29989109. The reversal of 29989056 is 65098992.

It is a super-2 number, since 2×29989056² = 1798686959542272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 29988996 and 29989014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021 + ... + 7811.

Almost surely, 2^29989056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29989056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41404032).

29989056 is an abundant number, since it is smaller than the sum of its proper divisors (52819008).

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

29989056 is a wasteful number, since it uses less digits than its factorization.

29989056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829 (or 6819 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 29989056 is about 5476.2264379772. The cubic root of 29989056 is about 310.6854620527.

The spelling of 29989056 in words is "twenty-nine million, nine hundred eighty-nine thousand, fifty-six".