1385484188 has 24 divisors (see below), whose sum is σ = 2646483840. Its totient is φ = 629415920.

The previous prime is 1385484187. The next prime is 1385484227. The reversal of 1385484188 is 8814845831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385484181) 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, 81995 + ... + 97437.

It is an arithmetic number, because the mean of its divisors is an integer number (110270160).

Almost surely, 2^1385484188 is an apocalyptic number.

It is an amenable number.

1385484188 is a deficient number, since it is larger than the sum of its proper divisors (1260999652).

1385484188 is a wasteful number, since it uses less digits than its factorization.

1385484188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17497 (or 17495 counting only the distinct ones).

The product of its digits is 983040, while the sum is 50.

The square root of 1385484188 is about 37222.0927407366. The cubic root of 1385484188 is about 1114.8091499043.

The spelling of 1385484188 in words is "one billion, three hundred eighty-five million, four hundred eighty-four thousand, one hundred eighty-eight".