1383879213 has 24 divisors (see below), whose sum is σ = 2020689216. Its totient is φ = 912600000.

The previous prime is 1383879187. The next prime is 1383879223. The reversal of 1383879213 is 3129783831.

It is a happy number.

It is not a de Polignac number, because 1383879213 - 2⁶ = 1383879149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383879223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339081 + ... + 343137.

It is an arithmetic number, because the mean of its divisors is an integer number (84195384).

Almost surely, 2^1383879213 is an apocalyptic number.

It is an amenable number.

1383879213 is a deficient number, since it is larger than the sum of its proper divisors (636810003).

1383879213 is a wasteful number, since it uses less digits than its factorization.

1383879213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465 (or 4462 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 1383879213 is about 37200.5270527179. The cubic root of 1383879213 is about 1114.3785105235.

The spelling of 1383879213 in words is "one billion, three hundred eighty-three million, eight hundred seventy-nine thousand, two hundred thirteen".