389355761 has 8 divisors (see below), whose sum is σ = 392517504. Its totient is φ = 386202960.

The previous prime is 389355751. The next prime is 389355767. The reversal of 389355761 is 167553983.

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

It is a cyclic number.

It is not a de Polignac number, because 389355761 - 2²² = 385161457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389355767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105416 + ... + 109046.

It is an arithmetic number, because the mean of its divisors is an integer number (49064688).

Almost surely, 2^389355761 is an apocalyptic number.

It is an amenable number.

389355761 is a deficient number, since it is larger than the sum of its proper divisors (3161743).

389355761 is a wasteful number, since it uses less digits than its factorization.

389355761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its digits is 680400, while the sum is 47.

The square root of 389355761 is about 19732.0997615560. The cubic root of 389355761 is about 730.2118363139.

The spelling of 389355761 in words is "three hundred eighty-nine million, three hundred fifty-five thousand, seven hundred sixty-one".