389235492 has 36 divisors (see below), whose sum is σ = 984949056. Its totient is φ = 129606960.

The previous prime is 389235487. The next prime is 389235493. The reversal of 389235492 is 294532983.

It is a happy number.

389235492 is a `hidden beast` number, since 3 + 89 + 23 + 549 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (389235493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31873 + ... + 42359.

It is an arithmetic number, because the mean of its divisors is an integer number (27359696).

Almost surely, 2^389235492 is an apocalyptic number.

It is an amenable number.

389235492 is an abundant number, since it is smaller than the sum of its proper divisors (595713564).

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

389235492 is a wasteful number, since it uses less digits than its factorization.

389235492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11528 (or 11523 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 389235492 is about 19729.0519792513. The cubic root of 389235492 is about 730.1366429645.

The spelling of 389235492 in words is "three hundred eighty-nine million, two hundred thirty-five thousand, four hundred ninety-two".