393434127 has 6 divisors (see below), whose sum is σ = 568293752. Its totient is φ = 262289412.

The previous prime is 393434123. The next prime is 393434149. The reversal of 393434127 is 721434393.

It is not a de Polignac number, because 393434127 - 2² = 393434123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393434091 and 393434100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393434123) 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, 21857443 + ... + 21857460.

Almost surely, 2^393434127 is an apocalyptic number.

393434127 is a deficient number, since it is larger than the sum of its proper divisors (174859625).

393434127 is a wasteful number, since it uses less digits than its factorization.

393434127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43714909 (or 43714906 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 393434127 is about 19835.1739846163. The cubic root of 393434127 is about 732.7525573606.

The spelling of 393434127 in words is "three hundred ninety-three million, four hundred thirty-four thousand, one hundred twenty-seven".