1385268648 has 16 divisors (see below), whose sum is σ = 3463171680. Its totient is φ = 461756208.

The previous prime is 1385268637. The next prime is 1385268667. The reversal of 1385268648 is 8468625831.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385268648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28859740 + ... + 28859787.

It is an arithmetic number, because the mean of its divisors is an integer number (216448230).

Almost surely, 2^1385268648 is an apocalyptic number.

It is an amenable number.

1385268648 is an abundant number, since it is smaller than the sum of its proper divisors (2077903032).

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

1385268648 is a wasteful number, since it uses less digits than its factorization.

1385268648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57719536 (or 57719532 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 1385268648 is about 37219.1973046169. The cubic root of 1385268648 is about 1114.7513365594.

The spelling of 1385268648 in words is "one billion, three hundred eighty-five million, two hundred sixty-eight thousand, six hundred forty-eight".