389070693 has 24 divisors (see below), whose sum is σ = 613974816. Its totient is φ = 235456800.

The previous prime is 389070679. The next prime is 389070697. The reversal of 389070693 is 396070983.

It is a happy number.

It is not a de Polignac number, because 389070693 - 2²¹ = 386973541 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389070697) 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 23 ways as a sum of consecutive naturals, for example, 76438 + ... + 81368.

It is an arithmetic number, because the mean of its divisors is an integer number (25582284).

Almost surely, 2^389070693 is an apocalyptic number.

389070693 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

389070693 is a deficient number, since it is larger than the sum of its proper divisors (224904123).

389070693 is a wasteful number, since it uses less digits than its factorization.

389070693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745 (or 5742 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 389070693 is about 19724.8749805924. The cubic root of 389070693 is about 730.0335838681.

The spelling of 389070693 in words is "three hundred eighty-nine million, seventy thousand, six hundred ninety-three".