1383293961 has 96 divisors (see below), whose sum is σ = 2528697600. Its totient is φ = 725469696.

The previous prime is 1383293959. The next prime is 1383293971. The reversal of 1383293961 is 1693923831.

It is not a de Polignac number, because 1383293961 - 2¹ = 1383293959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1383293911) 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 95 ways as a sum of consecutive naturals, for example, 2256291 + ... + 2256903.

It is an arithmetic number, because the mean of its divisors is an integer number (26340600).

Almost surely, 2^1383293961 is an apocalyptic number.

It is an amenable number.

1383293961 is a deficient number, since it is larger than the sum of its proper divisors (1145403639).

1383293961 is a wasteful number, since it uses less digits than its factorization.

1383293961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 683 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1383293961 is about 37192.6600420029. The cubic root of 1383293961 is about 1114.2213956042.

The spelling of 1383293961 in words is "one billion, three hundred eighty-three million, two hundred ninety-three thousand, nine hundred sixty-one".