389064838 has 8 divisors (see below), whose sum is σ = 594608688. Its totient is φ = 190861944.

The previous prime is 389064833. The next prime is 389064853. The reversal of 389064838 is 838460983.

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

It is a junction number, because it is equal to n+sod(n) for n = 389064791 and 389064800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389064833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835106 + ... + 1835317.

It is an arithmetic number, because the mean of its divisors is an integer number (74326086).

Almost surely, 2^389064838 is an apocalyptic number.

389064838 is a deficient number, since it is larger than the sum of its proper divisors (205543850).

389064838 is a wasteful number, since it uses less digits than its factorization.

389064838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670478.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 389064838 is about 19724.7265633772. The cubic root of 389064838 is about 730.0299218360.

The spelling of 389064838 in words is "three hundred eighty-nine million, sixty-four thousand, eight hundred thirty-eight".