29990844 has 96 divisors (see below), whose sum is σ = 85942080. Its totient is φ = 8985600.

The previous prime is 29990801. The next prime is 29990867. The reversal of 29990844 is 44809992.

It is a self number, because there is not a number n which added to its sum of digits gives 29990844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57304 + ... + 57824.

It is an arithmetic number, because the mean of its divisors is an integer number (895230).

Almost surely, 2^29990844 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 29990844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42971040).

29990844 is an abundant number, since it is smaller than the sum of its proper divisors (55951236).

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

29990844 is a wasteful number, since it uses less digits than its factorization.

29990844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 29990844 is about 5476.3896866458. The cubic root of 29990844 is about 310.6916364669.

The spelling of 29990844 in words is "twenty-nine million, nine hundred ninety thousand, eight hundred forty-four".