389876493 has 8 divisors (see below), whose sum is σ = 537760800. Its totient is φ = 250954928.

The previous prime is 389876483. The next prime is 389876507. The reversal of 389876493 is 394678983.

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 not a de Polignac number, because 389876493 - 2⁸ = 389876237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389876483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240583 + ... + 2240756.

It is an arithmetic number, because the mean of its divisors is an integer number (67220100).

Almost surely, 2^389876493 is an apocalyptic number.

It is an amenable number.

389876493 is a deficient number, since it is larger than the sum of its proper divisors (147884307).

389876493 is a wasteful number, since it uses less digits than its factorization.

389876493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481371.

The product of its digits is 7838208, while the sum is 57.

The square root of 389876493 is about 19745.2904004980. The cubic root of 389876493 is about 730.5372244878.

The spelling of 389876493 in words is "three hundred eighty-nine million, eight hundred seventy-six thousand, four hundred ninety-three".