1385361966 has 16 divisors (see below), whose sum is σ = 2777310288. Its totient is φ = 460689600.

The previous prime is 1385361961. The next prime is 1385361979. The reversal of 1385361966 is 6691635831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385361961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271695 + ... + 276746.

It is an arithmetic number, because the mean of its divisors is an integer number (173581893).

Almost surely, 2^1385361966 is an apocalyptic number.

1385361966 is an abundant number, since it is smaller than the sum of its proper divisors (1391948322).

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

1385361966 is a wasteful number, since it uses less digits than its factorization.

1385361966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548867.

The product of its digits is 699840, while the sum is 48.

The square root of 1385361966 is about 37220.4509107560. The cubic root of 1385361966 is about 1114.7763675717.

The spelling of 1385361966 in words is "one billion, three hundred eighty-five million, three hundred sixty-one thousand, nine hundred sixty-six".