1385085370 has 64 divisors (see below), whose sum is σ = 2846793600. Its totient is φ = 481904640.

The previous prime is 1385085349. The next prime is 1385085379. The reversal of 1385085370 is 735805831.

It is a super-2 number, since 2×1385085370² = 3836922964376073800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1385085379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127201 + ... + 137659.

It is an arithmetic number, because the mean of its divisors is an integer number (44481150).

Almost surely, 2^1385085370 is an apocalyptic number.

1385085370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385085370 is an abundant number, since it is smaller than the sum of its proper divisors (1461708230).

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

1385085370 is a wasteful number, since it uses less digits than its factorization.

1385085370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1385085370 is about 37216.7350797998. The cubic root of 1385085370 is about 1114.7021719908.

The spelling of 1385085370 in words is "one billion, three hundred eighty-five million, eighty-five thousand, three hundred seventy".