1383620817 has 8 divisors (see below), whose sum is σ = 1851488896. Its totient is φ = 919083312.

The previous prime is 1383620813. The next prime is 1383620839. The reversal of 1383620817 is 7180263831.

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

It is not a de Polignac number, because 1383620817 - 2² = 1383620813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383620813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831673 + ... + 833334.

It is an arithmetic number, because the mean of its divisors is an integer number (231436112).

Almost surely, 2^1383620817 is an apocalyptic number.

It is an amenable number.

1383620817 is a deficient number, since it is larger than the sum of its proper divisors (467868079).

1383620817 is a wasteful number, since it uses less digits than its factorization.

1383620817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665287.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1383620817 is about 37197.0538752735. The cubic root of 1383620817 is about 1114.3091478048.

The spelling of 1383620817 in words is "one billion, three hundred eighty-three million, six hundred twenty thousand, eight hundred seventeen".