938401089 has 24 divisors (see below), whose sum is σ = 1329171840. Its totient is φ = 588792672.

The previous prime is 938401073. The next prime is 938401097. The reversal of 938401089 is 980104839.

It is not a de Polignac number, because 938401089 - 2⁴ = 938401073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938401089.

It is not an unprimeable number, because it can be changed into a prime (938401069) 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 23 ways as a sum of consecutive naturals, for example, 167272 + ... + 172790.

It is an arithmetic number, because the mean of its divisors is an integer number (55382160).

Almost surely, 2^938401089 is an apocalyptic number.

It is an amenable number.

938401089 is a deficient number, since it is larger than the sum of its proper divisors (390770751).

938401089 is a wasteful number, since it uses less digits than its factorization.

938401089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 938401089 is about 30633.3329724338. The cubic root of 938401089 is about 979.0303782530.

The spelling of 938401089 in words is "nine hundred thirty-eight million, four hundred one thousand, eighty-nine".