389770484 has 24 divisors (see below), whose sum is σ = 724600800. Its totient is φ = 182930400.

The previous prime is 389770393. The next prime is 389770487. The reversal of 389770484 is 484077983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389770487) 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, 15242 + ... + 31809.

It is an arithmetic number, because the mean of its divisors is an integer number (30191700).

Almost surely, 2^389770484 is an apocalyptic number.

It is an amenable number.

389770484 is a deficient number, since it is larger than the sum of its proper divisors (334830316).

389770484 is a wasteful number, since it uses less digits than its factorization.

389770484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47183 (or 47181 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 389770484 is about 19742.6058057188. The cubic root of 389770484 is about 730.4710064742.

The spelling of 389770484 in words is "three hundred eighty-nine million, seven hundred seventy thousand, four hundred eighty-four".