38531983 has 12 divisors (see below), whose sum is σ = 45226080. Its totient is φ = 32730432.

The previous prime is 38531971. The next prime is 38532001. The reversal of 38531983 is 38913583.

It is a happy number.

It is not a de Polignac number, because 38531983 - 2⁵ = 38531951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38531953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2058 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (3768840).

Almost surely, 2^38531983 is an apocalyptic number.

38531983 is a deficient number, since it is larger than the sum of its proper divisors (6694097).

38531983 is a wasteful number, since it uses less digits than its factorization.

38531983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086 (or 7079 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 38531983 is about 6207.4135515527. The cubic root of 38531983 is about 337.7591476488.

The spelling of 38531983 in words is "thirty-eight million, five hundred thirty-one thousand, nine hundred eighty-three".