38986506 has 24 divisors (see below), whose sum is σ = 90969060. Its totient is φ = 11995776.

The previous prime is 38986483. The next prime is 38986543. The reversal of 38986506 is 60568983.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 10949481 = 5295^2 + 3309^2 .

It is an unprimeable number.

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, 83071 + ... + 83538.

Almost surely, 2^38986506 is an apocalyptic number.

38986506 is an abundant number, since it is smaller than the sum of its proper divisors (51982554).

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

38986506 is a wasteful number, since it uses less digits than its factorization.

38986506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166630 (or 166627 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 38986506 is about 6243.9175202752. The cubic root of 38986506 is about 339.0820278177.

It can be divided in two parts, 3898 and 6506, that added together give a square (10404 = 102²).

The spelling of 38986506 in words is "thirty-eight million, nine hundred eighty-six thousand, five hundred six".