38708432 has 60 divisors (see below), whose sum is σ = 88314660. Its totient is φ = 16386048.

The previous prime is 38708413. The next prime is 38708437. The reversal of 38708432 is 23480783.

It can be written as a sum of positive squares in 2 ways, for example, as 24840256 + 13868176 = 4984^2 + 3724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38708392 and 38708401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38708437) by changing a digit.

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, 75794 + ... + 76302.

It is an arithmetic number, because the mean of its divisors is an integer number (1471911).

Almost surely, 2^38708432 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 38708432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44157330).

38708432 is an abundant number, since it is smaller than the sum of its proper divisors (49606228).

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

38708432 is a wasteful number, since it uses less digits than its factorization.

38708432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 615 counting only the distinct ones).

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

The square root of 38708432 is about 6221.6100809999. The cubic root of 38708432 is about 338.2739280032.

The spelling of 38708432 in words is "thirty-eight million, seven hundred eight thousand, four hundred thirty-two".