38840732 has 36 divisors (see below), whose sum is σ = 80582040. Its totient is φ = 16327584.

The previous prime is 38840729. The next prime is 38840741. The reversal of 38840732 is 23704883.

It is a junction number, because it is equal to n+sod(n) for n = 38840692 and 38840701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8519 + ... + 12257.

It is an arithmetic number, because the mean of its divisors is an integer number (2238390).

Almost surely, 2^38840732 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 38840732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40291020).

38840732 is an abundant number, since it is smaller than the sum of its proper divisors (41741308).

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

38840732 is a wasteful number, since it uses less digits than its factorization.

38840732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 38840732 is about 6232.2333075712. The cubic root of 38840732 is about 338.6588807360.

The spelling of 38840732 in words is "thirty-eight million, eight hundred forty thousand, seven hundred thirty-two".