938673399 has 4 divisors (see below), whose sum is σ = 1251564536. Its totient is φ = 625782264.

The previous prime is 938673367. The next prime is 938673403. The reversal of 938673399 is 993376839.

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

It is not a de Polignac number, because 938673399 - 2⁵ = 938673367 is a prime.

It is a super-2 number, since 2×938673399² = 1762215499980426402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938673599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156445564 + ... + 156445569.

It is an arithmetic number, because the mean of its divisors is an integer number (312891134).

Almost surely, 2^938673399 is an apocalyptic number.

938673399 is a deficient number, since it is larger than the sum of its proper divisors (312891137).

938673399 is a wasteful number, since it uses less digits than its factorization.

938673399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312891136.

The product of its digits is 6613488, while the sum is 57.

The square root of 938673399 is about 30637.7773182064. Note that the first 3 decimals coincide. The cubic root of 938673399 is about 979.1250690989.

The spelling of 938673399 in words is "nine hundred thirty-eight million, six hundred seventy-three thousand, three hundred ninety-nine".