389376045 has 16 divisors (see below), whose sum is σ = 692224320. Its totient is φ = 207667152.

The previous prime is 389376037. The next prime is 389376047. The reversal of 389376045 is 540673983.

389376045 is a `hidden beast` number, since 3 + 8 + 9 + 37 + 604 + 5 = 666.

389376045 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 389376045 - 2³ = 389376037 is a prime.

It is a super-2 number, since 2×389376045² = 303227408839684050, which contains 22 as substring.

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 Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389376047) 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, 1441999 + ... + 1442268.

It is an arithmetic number, because the mean of its divisors is an integer number (43264020).

Almost surely, 2^389376045 is an apocalyptic number.

It is an amenable number.

389376045 is a deficient number, since it is larger than the sum of its proper divisors (302848275).

389376045 is a wasteful number, since it uses less digits than its factorization.

389376045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884281 (or 2884275 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 389376045 is about 19732.6137396950. The cubic root of 389376045 is about 730.2245165421.

The spelling of 389376045 in words is "three hundred eighty-nine million, three hundred seventy-six thousand, forty-five".