1385088672 has 96 divisors (see below), whose sum is σ = 4016839680. Its totient is φ = 414385920.

The previous prime is 1385088671. The next prime is 1385088707. The reversal of 1385088672 is 2768805831.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1385088671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75123 + ... + 91725.

It is an arithmetic number, because the mean of its divisors is an integer number (41842080).

Almost surely, 2^1385088672 is an apocalyptic number.

1385088672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385088672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008419840).

1385088672 is an abundant number, since it is smaller than the sum of its proper divisors (2631751008).

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

1385088672 is a wasteful number, since it uses less digits than its factorization.

1385088672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16706 (or 16698 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 1385088672 is about 37216.7794415369. The cubic root of 1385088672 is about 1114.7030577951.

The spelling of 1385088672 in words is "one billion, three hundred eighty-five million, eighty-eight thousand, six hundred seventy-two".