38071566 has 64 divisors (see below), whose sum is σ = 91909440. Its totient is φ = 11612160.

The previous prime is 38071531. The next prime is 38071571. The reversal of 38071566 is 66517083.

It is a self number, because there is not a number n which added to its sum of digits gives 38071566.

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, 135346 + ... + 135626.

It is an arithmetic number, because the mean of its divisors is an integer number (1436085).

Almost surely, 2^38071566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38071566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45954720).

38071566 is an abundant number, since it is smaller than the sum of its proper divisors (53837874).

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

38071566 is a wasteful number, since it uses less digits than its factorization.

38071566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 38071566 is about 6170.2160415985. The cubic root of 38071566 is about 336.4084637026.

The spelling of 38071566 in words is "thirty-eight million, seventy-one thousand, five hundred sixty-six".