938708997 has 4 divisors (see below), whose sum is σ = 1251612000. Its totient is φ = 625805996.

The previous prime is 938708983. The next prime is 938708999. The reversal of 938708997 is 799807839.

It is a happy number.

938708997 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799807839 = 3 ⋅266602613.

It is a cyclic number.

It is not a de Polignac number, because 938708997 - 2⁶ = 938708933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938708997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938708999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156451497 + ... + 156451502.

It is an arithmetic number, because the mean of its divisors is an integer number (312903000).

Almost surely, 2^938708997 is an apocalyptic number.

It is an amenable number.

938708997 is a deficient number, since it is larger than the sum of its proper divisors (312903003).

938708997 is a wasteful number, since it uses less digits than its factorization.

938708997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312903002.

The product of its (nonzero) digits is 6858432, while the sum is 60.

The square root of 938708997 is about 30638.3582621524. The cubic root of 938708997 is about 979.1374463019.

The spelling of 938708997 in words is "nine hundred thirty-eight million, seven hundred eight thousand, nine hundred ninety-seven".