38991483 has 16 divisors (see below), whose sum is σ = 57867040. Its totient is φ = 25948512.

The previous prime is 38991481. The next prime is 38991487. The reversal of 38991483 is 38419983.

38991483 is a `hidden beast` number, since 3 + 89 + 91 + 483 = 666.

It is not a de Polignac number, because 38991483 - 2¹ = 38991481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38991481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22185 + ... + 23877.

It is an arithmetic number, because the mean of its divisors is an integer number (3616690).

Almost surely, 2^38991483 is an apocalyptic number.

38991483 is a deficient number, since it is larger than the sum of its proper divisors (18875557).

38991483 is a wasteful number, since it uses less digits than its factorization.

38991483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2549 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 38991483 is about 6244.3160554219. The cubic root of 38991483 is about 339.0964562239.

The spelling of 38991483 in words is "thirty-eight million, nine hundred ninety-one thousand, four hundred eighty-three".