389696349 has 32 divisors (see below), whose sum is σ = 610283520. Its totient is φ = 216547200.

The previous prime is 389696347. The next prime is 389696407. The reversal of 389696349 is 943696983.

It is not a de Polignac number, because 389696349 - 2¹ = 389696347 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389696347) 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 31 ways as a sum of consecutive naturals, for example, 377464 + ... + 378494.

It is an arithmetic number, because the mean of its divisors is an integer number (19071360).

Almost surely, 2^389696349 is an apocalyptic number.

It is an amenable number.

389696349 is a deficient number, since it is larger than the sum of its proper divisors (220587171).

389696349 is a wasteful number, since it uses less digits than its factorization.

389696349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its digits is 7558272, while the sum is 57.

The square root of 389696349 is about 19740.7281780587. The cubic root of 389696349 is about 730.4246912674.

The spelling of 389696349 in words is "three hundred eighty-nine million, six hundred ninety-six thousand, three hundred forty-nine".