1386396336 has 40 divisors (see below), whose sum is σ = 3857027440. Its totient is φ = 426583296.

The previous prime is 1386396331. The next prime is 1386396373. The reversal of 1386396336 is 6336936831.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1386396331) 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, 1110271 + ... + 1111518.

It is an arithmetic number, because the mean of its divisors is an integer number (96425686).

Almost surely, 2^1386396336 is an apocalyptic number.

1386396336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1386396336 is an abundant number, since it is smaller than the sum of its proper divisors (2470631104).

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

1386396336 is a wasteful number, since it uses less digits than its factorization.

1386396336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221813 (or 2221807 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 48.

The square root of 1386396336 is about 37234.3435016652. The cubic root of 1386396336 is about 1115.0537449879.

The spelling of 1386396336 in words is "one billion, three hundred eighty-six million, three hundred ninety-six thousand, three hundred thirty-six".