389068388 has 6 divisors (see below), whose sum is σ = 680869686. Its totient is φ = 194534192.

The previous prime is 389068387. The next prime is 389068423. The reversal of 389068388 is 883860983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 310887424 + 78180964 = 17632^2 + 8842^2 .

It is not an unprimeable number, because it can be changed into a prime (389068387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48633545 + ... + 48633552.

It is an arithmetic number, because the mean of its divisors is an integer number (113478281).

Almost surely, 2^389068388 is an apocalyptic number.

It is an amenable number.

389068388 is a deficient number, since it is larger than the sum of its proper divisors (291801298).

389068388 is a wasteful number, since it uses less digits than its factorization.

389068388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97267101 (or 97267099 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 389068388 is about 19724.8165517452. The cubic root of 389068388 is about 730.0321422014.

The spelling of 389068388 in words is "three hundred eighty-nine million, sixty-eight thousand, three hundred eighty-eight".