1389474584 has 16 divisors (see below), whose sum is σ = 2668808520. Its totient is φ = 677792320.

The previous prime is 1389474563. The next prime is 1389474599. The reversal of 1389474584 is 4854749831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117774 + ... + 2118429.

Almost surely, 2^1389474584 is an apocalyptic number.

It is an amenable number.

1389474584 is a deficient number, since it is larger than the sum of its proper divisors (1279333936).

1389474584 is a wasteful number, since it uses less digits than its factorization.

1389474584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236250 (or 4236246 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 1389474584 is about 37275.6567212437. The cubic root of 1389474584 is about 1115.8783948723.

The spelling of 1389474584 in words is "one billion, three hundred eighty-nine million, four hundred seventy-four thousand, five hundred eighty-four".