389236097 has 8 divisors (see below), whose sum is σ = 412346376. Its totient is φ = 366149632.

The previous prime is 389236091. The next prime is 389236139. The reversal of 389236097 is 790632983.

It can be written as a sum of positive squares in 4 ways, for example, as 327754816 + 61481281 = 18104^2 + 7841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389236097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389236091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36353 + ... + 45825.

It is an arithmetic number, because the mean of its divisors is an integer number (51543297).

Almost surely, 2^389236097 is an apocalyptic number.

It is an amenable number.

389236097 is a deficient number, since it is larger than the sum of its proper divisors (23110279).

389236097 is a wasteful number, since it uses less digits than its factorization.

389236097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11907.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 389236097 is about 19729.0673119638. The cubic root of 389236097 is about 730.1370212551.

The spelling of 389236097 in words is "three hundred eighty-nine million, two hundred thirty-six thousand, ninety-seven".