1383618426 has 16 divisors (see below), whose sum is σ = 2768279328. Its totient is φ = 461032400.

The previous prime is 1383618419. The next prime is 1383618427. The reversal of 1383618426 is 6248163831.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1383618427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25620 + ... + 58511.

It is an arithmetic number, because the mean of its divisors is an integer number (173017458).

Almost surely, 2^1383618426 is an apocalyptic number.

1383618426 is an abundant number, since it is smaller than the sum of its proper divisors (1384660902).

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

1383618426 is a wasteful number, since it uses less digits than its factorization.

1383618426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86877.

The product of its digits is 165888, while the sum is 42.

The square root of 1383618426 is about 37197.0217356175. The cubic root of 1383618426 is about 1114.3085059347.

The spelling of 1383618426 in words is "one billion, three hundred eighty-three million, six hundred eighteen thousand, four hundred twenty-six".