1383840001 has 8 divisors (see below), whose sum is σ = 1468513800. Its totient is φ = 1299529728.

The previous prime is 1383839981. The next prime is 1383840023. The reversal of 1383840001 is 1000483831.

It is a Cunningham number, because it is equal to 37200²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 845646400 + 538193601 = 29080^2 + 23199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1383840001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383840041) 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, 83016 + ... + 98281.

It is an arithmetic number, because the mean of its divisors is an integer number (183564225).

Almost surely, 2^1383840001 is an apocalyptic number.

It is an amenable number.

1383840001 is a deficient number, since it is larger than the sum of its proper divisors (84673799).

1383840001 is a wasteful number, since it uses less digits than its factorization.

1383840001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181763.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1383840001 is about 37200.0000134409. Note that the first 4 decimals coincide. The cubic root of 1383840001 is about 1114.3679851774.

The spelling of 1383840001 in words is "one billion, three hundred eighty-three million, eight hundred forty thousand, one".