1383998056 has 16 divisors (see below), whose sum is σ = 2965710240. Its totient is φ = 593142000.

The previous prime is 1383998041. The next prime is 1383998111. The reversal of 1383998056 is 6508993831.

It is a junction number, because it is equal to n+sod(n) for n = 1383997994 and 1383998012.

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, 12357070 + ... + 12357181.

It is an arithmetic number, because the mean of its divisors is an integer number (185356890).

Almost surely, 2^1383998056 is an apocalyptic number.

It is an amenable number.

1383998056 is an abundant number, since it is smaller than the sum of its proper divisors (1581712184).

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

1383998056 is a wasteful number, since it uses less digits than its factorization.

1383998056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24714264 (or 24714260 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 1383998056 is about 37202.1243479455. The cubic root of 1383998056 is about 1114.4104093321.

The spelling of 1383998056 in words is "one billion, three hundred eighty-three million, nine hundred ninety-eight thousand, fifty-six".