389350897 has 16 divisors (see below), whose sum is σ = 434826000. Its totient is φ = 346155264.

The previous prime is 389350891. The next prime is 389350901. The reversal of 389350897 is 798053983.

It can be written as a sum of positive squares in 8 ways, for example, as 41938576 + 347412321 = 6476^2 + 18639^2 .

It is not a de Polignac number, because 389350897 - 2¹¹ = 389348849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389350891) 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, 190879 + ... + 192907.

It is an arithmetic number, because the mean of its divisors is an integer number (27176625).

Almost surely, 2^389350897 is an apocalyptic number.

It is an amenable number.

389350897 is a deficient number, since it is larger than the sum of its proper divisors (45475103).

389350897 is a wasteful number, since it uses less digits than its factorization.

389350897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 389350897 is about 19731.9765102232. The cubic root of 389350897 is about 730.2087955943.

The spelling of 389350897 in words is "three hundred eighty-nine million, three hundred fifty thousand, eight hundred ninety-seven".