389653465 has 24 divisors (see below), whose sum is σ = 492125760. Its totient is φ = 296143584.

The previous prime is 389653457. The next prime is 389653469. The reversal of 389653465 is 564356983.

It is a happy number.

It is not a de Polignac number, because 389653465 - 2³ = 389653457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389653469) 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, 473044 + ... + 473866.

It is an arithmetic number, because the mean of its divisors is an integer number (20505240).

Almost surely, 2^389653465 is an apocalyptic number.

It is an amenable number.

389653465 is a deficient number, since it is larger than the sum of its proper divisors (102472295).

389653465 is a wasteful number, since it uses less digits than its factorization.

389653465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1030 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 49.

The square root of 389653465 is about 19739.6419673711. The cubic root of 389653465 is about 730.3978971736.

The spelling of 389653465 in words is "three hundred eighty-nine million, six hundred fifty-three thousand, four hundred sixty-five".