393880038859 has 6 divisors (see below), whose sum is σ = 414613446860. Its totient is φ = 373146918840.

The previous prime is 393880038847. The next prime is 393880038887. The reversal of 393880038859 is 958830088393.

It is not a de Polignac number, because 393880038859 - 2²¹ = 393877941707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 393880038859.

It is not an unprimeable number, because it can be changed into a prime (393880039859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2663649 + ... + 2807629.

Almost surely, 2^393880038859 is an apocalyptic number.

393880038859 is a deficient number, since it is larger than the sum of its proper divisors (20733408001).

393880038859 is an frugal number, since it uses more digits than its factorization.

393880038859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287981 (or 144000 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 393880038859 in words is "three hundred ninety-three billion, eight hundred eighty million, thirty-eight thousand, eight hundred fifty-nine".