389825305306 has 8 divisors (see below), whose sum is σ = 590415025824. Its totient is φ = 193020296700.

The previous prime is 389825305301. The next prime is 389825305307. The reversal of 389825305306 is 603503528983.

It is a happy number.

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

It is a super-2 number, since 2×389825305306² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389825305301) 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, 946177720 + ... + 946178131.

It is an arithmetic number, because the mean of its divisors is an integer number (73801878228).

Almost surely, 2^389825305306 is an apocalyptic number.

389825305306 is a deficient number, since it is larger than the sum of its proper divisors (200589720518).

389825305306 is a wasteful number, since it uses less digits than its factorization.

389825305306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892355956.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 389825305306 in words is "three hundred eighty-nine billion, eight hundred twenty-five million, three hundred five thousand, three hundred six".