389794331 has 8 divisors (see below), whose sum is σ = 401768928. Its totient is φ = 378000000.

The previous prime is 389794319. The next prime is 389794373. The reversal of 389794331 is 133497983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389794331 is a prime.

It is a super-2 number, since 2×389794331² = 303879240959475122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389794381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40670 + ... + 49331.

It is an arithmetic number, because the mean of its divisors is an integer number (50221116).

Almost surely, 2^389794331 is an apocalyptic number.

389794331 is a deficient number, since it is larger than the sum of its proper divisors (11974597).

389794331 is an equidigital number, since it uses as much as digits as its factorization.

389794331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90133.

The product of its digits is 489888, while the sum is 47.

The square root of 389794331 is about 19743.2097441120. The cubic root of 389794331 is about 730.4859034350.

It can be divided in two parts, 38979 and 4331, that multiplied together give a square (168818049 = 12993²).

The spelling of 389794331 in words is "three hundred eighty-nine million, seven hundred ninety-four thousand, three hundred thirty-one".