389083761 has 12 divisors (see below), whose sum is σ = 613101840. Its totient is φ = 235808280.

The previous prime is 389083757. The next prime is 389083787. The reversal of 389083761 is 167380983.

It is a happy number.

It is not a de Polignac number, because 389083761 - 2² = 389083757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389083661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1964971 + ... + 1965168.

It is an arithmetic number, because the mean of its divisors is an integer number (51091820).

Almost surely, 2^389083761 is an apocalyptic number.

It is an amenable number.

389083761 is a deficient number, since it is larger than the sum of its proper divisors (224018079).

389083761 is a wasteful number, since it uses less digits than its factorization.

389083761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930156 (or 3930153 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 389083761 is about 19725.2062346633. The cubic root of 389083761 is about 730.0417571660.

The spelling of 389083761 in words is "three hundred eighty-nine million, eighty-three thousand, seven hundred sixty-one".