1385346556 has 24 divisors (see below), whose sum is σ = 2650314240. Its totient is φ = 628378800.

The previous prime is 1385346553. The next prime is 1385346577. The reversal of 1385346556 is 6556435831.

It is a super-2 number, since 2×1385346556² = 3838370160442122272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385346551) 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 7 ways as a sum of consecutive naturals, for example, 11790 + ... + 53941.

It is an arithmetic number, because the mean of its divisors is an integer number (110429760).

Almost surely, 2^1385346556 is an apocalyptic number.

It is an amenable number.

1385346556 is a deficient number, since it is larger than the sum of its proper divisors (1264967684).

1385346556 is a wasteful number, since it uses less digits than its factorization.

1385346556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66225 (or 66223 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The square root of 1385346556 is about 37220.2439003293. The cubic root of 1385346556 is about 1114.7722341712.

The spelling of 1385346556 in words is "one billion, three hundred eighty-five million, three hundred forty-six thousand, five hundred fifty-six".