389948045 has 16 divisors (see below), whose sum is σ = 474608640. Its totient is φ = 307540800.

The previous prime is 389948021. The next prime is 389948047. The reversal of 389948045 is 540849983.

It is a happy number.

It is not a de Polignac number, because 389948045 - 2²⁴ = 373170829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389947984 and 389948002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389948047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113300 + ... + 116690.

It is an arithmetic number, because the mean of its divisors is an integer number (29663040).

Almost surely, 2^389948045 is an apocalyptic number.

It is an amenable number.

389948045 is a deficient number, since it is larger than the sum of its proper divisors (84660595).

389948045 is a wasteful number, since it uses less digits than its factorization.

389948045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 389948045 is about 19747.1021924737. The cubic root of 389948045 is about 730.5819123168.

The spelling of 389948045 in words is "three hundred eighty-nine million, nine hundred forty-eight thousand, forty-five".