983915385 has 16 divisors (see below), whose sum is σ = 1576728384. Its totient is φ = 523933632.

The previous prime is 983915371. The next prime is 983915407. The reversal of 983915385 is 583519389.

It is not a de Polignac number, because 983915385 - 2⁵ = 983915353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41362 + ... + 60651.

It is an arithmetic number, because the mean of its divisors is an integer number (98545524).

Almost surely, 2^983915385 is an apocalyptic number.

It is an amenable number.

983915385 is a deficient number, since it is larger than the sum of its proper divisors (592812999).

983915385 is a wasteful number, since it uses less digits than its factorization.

983915385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102664.

The product of its digits is 1166400, while the sum is 51.

The square root of 983915385 is about 31367.4255398813. The cubic root of 983915385 is about 994.6094559139.

The spelling of 983915385 in words is "nine hundred eighty-three million, nine hundred fifteen thousand, three hundred eighty-five".