29986944 has 64 divisors (see below), whose sum is σ = 85794240. Its totient is φ = 9225216.

The previous prime is 29986919. The next prime is 29986967. The reversal of 29986944 is 44968992.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1989 + ... + 7995.

It is an arithmetic number, because the mean of its divisors is an integer number (1340535).

Almost surely, 2^29986944 is an apocalyptic number.

29986944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29986944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42897120).

29986944 is an abundant number, since it is smaller than the sum of its proper divisors (55807296).

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

29986944 is a wasteful number, since it uses less digits than its factorization.

29986944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037 (or 6025 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 29986944 is about 5476.0336010656. The cubic root of 29986944 is about 310.6781684686.

The spelling of 29986944 in words is "twenty-nine million, nine hundred eighty-six thousand, nine hundred forty-four".