1385964396 has 72 divisors (see below), whose sum is σ = 3541618080. Its totient is φ = 456980736.

The previous prime is 1385964373. The next prime is 1385964427. The reversal of 1385964396 is 6934695831.

1385964396 is a `hidden beast` number, since 1 + 3 + 8 + 596 + 43 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1616800 + ... + 1617656.

It is an arithmetic number, because the mean of its divisors is an integer number (49189140).

Almost surely, 2^1385964396 is an apocalyptic number.

It is an amenable number.

1385964396 is an abundant number, since it is smaller than the sum of its proper divisors (2155653684).

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

1385964396 is a wasteful number, since it uses less digits than its factorization.

1385964396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1298 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1385964396 is about 37228.5427595548. The cubic root of 1385964396 is about 1114.9379324241.

The spelling of 1385964396 in words is "one billion, three hundred eighty-five million, nine hundred sixty-four thousand, three hundred ninety-six".