389480387 has 12 divisors (see below), whose sum is σ = 415348896. Its totient is φ = 365143680.

The previous prime is 389480383. The next prime is 389480393. The reversal of 389480387 is 783084983.

It is a happy number.

It is not a de Polignac number, because 389480387 - 2² = 389480383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389480381) 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, 75833 + ... + 80805.

It is an arithmetic number, because the mean of its divisors is an integer number (34612408).

Almost surely, 2^389480387 is an apocalyptic number.

389480387 is a deficient number, since it is larger than the sum of its proper divisors (25868509).

389480387 is a wasteful number, since it uses less digits than its factorization.

389480387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278 (or 5261 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 389480387 is about 19735.2574596837. The cubic root of 389480387 is about 730.2897373679.

The spelling of 389480387 in words is "three hundred eighty-nine million, four hundred eighty thousand, three hundred eighty-seven".