389954983 has 8 divisors (see below), whose sum is σ = 439128576. Its totient is φ = 343068600.

The previous prime is 389954969. The next prime is 389954987. The reversal of 389954983 is 389459983.

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-389954983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389954987) 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, 571441 + ... + 572122.

It is an arithmetic number, because the mean of its divisors is an integer number (54891072).

Almost surely, 2^389954983 is an apocalyptic number.

389954983 is a deficient number, since it is larger than the sum of its proper divisors (49173593).

389954983 is a wasteful number, since it uses less digits than its factorization.

389954983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143605.

The product of its digits is 8398080, while the sum is 58.

The square root of 389954983 is about 19747.2778630372. The cubic root of 389954983 is about 730.5862451566.

The spelling of 389954983 in words is "three hundred eighty-nine million, nine hundred fifty-four thousand, nine hundred eighty-three".