389422370 has 16 divisors (see below), whose sum is σ = 701231040. Its totient is φ = 155708784.

The previous prime is 389422351. The next prime is 389422379. The reversal of 389422370 is 73224983.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389422379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27371 + ... + 39089.

It is an arithmetic number, because the mean of its divisors is an integer number (43826940).

Almost surely, 2^389422370 is an apocalyptic number.

389422370 is a deficient number, since it is larger than the sum of its proper divisors (311808670).

389422370 is a wasteful number, since it uses less digits than its factorization.

389422370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15049.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 389422370 is about 19733.7875229263. The cubic root of 389422370 is about 730.2534742466.

The spelling of 389422370 in words is "three hundred eighty-nine million, four hundred twenty-two thousand, three hundred seventy".