386419769 has 2 divisors, whose sum is σ = 386419770. Its totient is φ = 386419768.

The previous prime is 386419723. The next prime is 386419783. The reversal of 386419769 is 967914683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323820025 + 62599744 = 17995^2 + 7912^2 .

It is a cyclic number.

It is not a de Polignac number, because 386419769 - 2²⁰ = 385371193 is a prime.

It is a super-2 number, since 2×386419769² = 298640475748026722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386419769.

It is not a weakly prime, because it can be changed into another prime (386416769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193209884 + 193209885.

It is an arithmetic number, because the mean of its divisors is an integer number (193209885).

Almost surely, 2^386419769 is an apocalyptic number.

It is an amenable number.

386419769 is a deficient number, since it is larger than the sum of its proper divisors (1).

386419769 is an equidigital number, since it uses as much as digits as its factorization.

386419769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 386419769 is about 19657.5626413856. The cubic root of 386419769 is about 728.3717817095.

The spelling of 386419769 in words is "three hundred eighty-six million, four hundred nineteen thousand, seven hundred sixty-nine".