38729532 has 24 divisors (see below), whose sum is σ = 90577872. Its totient is φ = 12880000.

The previous prime is 38729501. The next prime is 38729533. The reversal of 38729532 is 23592783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38729533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032 + ... + 9032.

It is an arithmetic number, because the mean of its divisors is an integer number (3774078).

Almost surely, 2^38729532 is an apocalyptic number.

It is an amenable number.

38729532 is an abundant number, since it is smaller than the sum of its proper divisors (51848340).

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

38729532 is a wasteful number, since it uses less digits than its factorization.

38729532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469 (or 7467 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 38729532 is about 6223.3055525179. The cubic root of 38729532 is about 338.3353813094.

The spelling of 38729532 in words is "thirty-eight million, seven hundred twenty-nine thousand, five hundred thirty-two".