29989344 has 96 divisors (see below), whose sum is σ = 98171136. Its totient is φ = 7787520.

The previous prime is 29989331. The next prime is 29989357. The reversal of 29989344 is 44398992.

It is an interprime number because it is at equal distance from previous prime (29989331) and next prime (29989357).

It is a tau number, because it is divible by the number of its divisors (96).

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 = 29989293 and 29989302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5364 + ... + 9420.

It is an arithmetic number, because the mean of its divisors is an integer number (1022616).

Almost surely, 2^29989344 is an apocalyptic number.

29989344 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 29989344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49085568).

29989344 is an abundant number, since it is smaller than the sum of its proper divisors (68181792).

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

29989344 is a wasteful number, since it uses less digits than its factorization.

29989344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088 (or 4080 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 29989344 is about 5476.2527333935. The cubic root of 29989344 is about 310.6864566058.

The spelling of 29989344 in words is "twenty-nine million, nine hundred eighty-nine thousand, three hundred forty-four".