938873986 has 4 divisors (see below), whose sum is σ = 1408310982. Its totient is φ = 469436992.

The previous prime is 938873981. The next prime is 938874019. The reversal of 938873986 is 689378839.

938873986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 823977025 + 114896961 = 28705^2 + 10719^2 .

It is not an unprimeable number, because it can be changed into a prime (938873981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234718495 + ... + 234718498.

Almost surely, 2^938873986 is an apocalyptic number.

938873986 is a deficient number, since it is larger than the sum of its proper divisors (469436996).

938873986 is a wasteful number, since it uses less digits than its factorization.

938873986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469436995.

The product of its digits is 15676416, while the sum is 61.

The square root of 938873986 is about 30641.0506673645. The cubic root of 938873986 is about 979.1948078644.

The spelling of 938873986 in words is "nine hundred thirty-eight million, eight hundred seventy-three thousand, nine hundred eighty-six".