1385061692 has 48 divisors (see below), whose sum is σ = 2892120000. Its totient is φ = 567834624.

The previous prime is 1385061683. The next prime is 1385061707. The reversal of 1385061692 is 2961605831.

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, 80684 + ... + 96332.

It is an arithmetic number, because the mean of its divisors is an integer number (60252500).

Almost surely, 2^1385061692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385061692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446060000).

1385061692 is an abundant number, since it is smaller than the sum of its proper divisors (1507058308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385061692 is a wasteful number, since it uses less digits than its factorization.

1385061692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798 (or 15796 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1385061692 is about 37216.4169688593. The cubic root of 1385061692 is about 1114.6958200193.

The spelling of 1385061692 in words is "one billion, three hundred eighty-five million, sixty-one thousand, six hundred ninety-two".