389235460 has 12 divisors (see below), whose sum is σ = 817394508. Its totient is φ = 155694176.

The previous prime is 389235437. The next prime is 389235467. The reversal of 389235460 is 64532983.

It can be written as a sum of positive squares in 2 ways, for example, as 284664384 + 104571076 = 16872^2 + 10226^2 .

It is not an unprimeable number, because it can be changed into a prime (389235467) 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, 9730867 + ... + 9730906.

It is an arithmetic number, because the mean of its divisors is an integer number (68116209).

Almost surely, 2^389235460 is an apocalyptic number.

It is an amenable number.

389235460 is an abundant number, since it is smaller than the sum of its proper divisors (428159048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389235460 is a wasteful number, since it uses less digits than its factorization.

389235460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19461782 (or 19461780 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 389235460 is about 19729.0511682645. The cubic root of 389235460 is about 730.1366229557.

The spelling of 389235460 in words is "three hundred eighty-nine million, two hundred thirty-five thousand, four hundred sixty".