389950725 has 24 divisors (see below), whose sum is σ = 647047872. Its totient is φ = 207222400.

The previous prime is 389950723. The next prime is 389950747. The reversal of 389950725 is 527059983.

It is a happy number.

It is not a de Polignac number, because 389950725 - 2¹ = 389950723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389950723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11824 + ... + 30326.

It is an arithmetic number, because the mean of its divisors is an integer number (26960328).

Almost surely, 2^389950725 is an apocalyptic number.

It is an amenable number.

389950725 is a deficient number, since it is larger than the sum of its proper divisors (257097147).

389950725 is a wasteful number, since it uses less digits than its factorization.

389950725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18797 (or 18792 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 389950725 is about 19747.1700504148. The cubic root of 389950725 is about 730.5835860056.

The spelling of 389950725 in words is "three hundred eighty-nine million, nine hundred fifty thousand, seven hundred twenty-five".