389012693 has 8 divisors (see below), whose sum is σ = 396964416. Its totient is φ = 381132000.

The previous prime is 389012651. The next prime is 389012713. The reversal of 389012693 is 396210983.

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-389012693 is a prime.

It is a super-2 number, since 2×389012693² = 302661750630224498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389012693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389012093) 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 7 ways as a sum of consecutive naturals, for example, 6623 + ... + 28668.

It is an arithmetic number, because the mean of its divisors is an integer number (49620552).

Almost surely, 2^389012693 is an apocalyptic number.

It is an amenable number.

389012693 is a deficient number, since it is larger than the sum of its proper divisors (7951723).

389012693 is a wasteful number, since it uses less digits than its factorization.

389012693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35515.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 389012693 is about 19723.4047010145. The cubic root of 389012693 is about 729.9973059261.

The spelling of 389012693 in words is "three hundred eighty-nine million, twelve thousand, six hundred ninety-three".