1338475685 has 16 divisors (see below), whose sum is σ = 1730073600. Its totient is φ = 991182720.

The previous prime is 1338475631. The next prime is 1338475693. The reversal of 1338475685 is 5865748331.

It is not a de Polignac number, because 1338475685 - 2¹⁰ = 1338474661 is a prime.

It is a congruent number.

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, 184160 + ... + 191289.

It is an arithmetic number, because the mean of its divisors is an integer number (108129600).

Almost surely, 2^1338475685 is an apocalyptic number.

It is an amenable number.

1338475685 is a deficient number, since it is larger than the sum of its proper divisors (391597915).

1338475685 is a wasteful number, since it uses less digits than its factorization.

1338475685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375508.

The product of its digits is 2419200, while the sum is 50.

The square root of 1338475685 is about 36585.1839547104. The cubic root of 1338475685 is about 1102.0555737051.

The spelling of 1338475685 in words is "one billion, three hundred thirty-eight million, four hundred seventy-five thousand, six hundred eighty-five".