38499986 has 12 divisors (see below), whose sum is σ = 67178718. Its totient is φ = 16499952.

The previous prime is 38499973. The next prime is 38500001. The reversal of 38499986 is 68999483.

38499986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 15642025 = 4781^2 + 3955^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196331 + ... + 196526.

Almost surely, 2^38499986 is an apocalyptic number.

38499986 is a deficient number, since it is larger than the sum of its proper divisors (28678732).

38499986 is a wasteful number, since it uses less digits than its factorization.

38499986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392873 (or 392866 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 38499986 is about 6204.8356948432. The cubic root of 38499986 is about 337.6656299055.

The spelling of 38499986 in words is "thirty-eight million, four hundred ninety-nine thousand, nine hundred eighty-six".