1385769884 has 12 divisors (see below), whose sum is σ = 2441158608. Its totient is φ = 688296000.

The previous prime is 1385769871. The next prime is 1385769893. The reversal of 1385769884 is 4889675831.

It is a happy number.

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, 1146557 + ... + 1147764.

It is an arithmetic number, because the mean of its divisors is an integer number (203429884).

Almost surely, 2^1385769884 is an apocalyptic number.

It is an amenable number.

1385769884 is a deficient number, since it is larger than the sum of its proper divisors (1055388724).

1385769884 is a wasteful number, since it uses less digits than its factorization.

1385769884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294476 (or 2294474 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The square root of 1385769884 is about 37225.9302637288. The cubic root of 1385769884 is about 1114.8857716438.

The spelling of 1385769884 in words is "one billion, three hundred eighty-five million, seven hundred sixty-nine thousand, eight hundred eighty-four".