386418673 has 2 divisors, whose sum is σ = 386418674. Its totient is φ = 386418672.

The previous prime is 386418647. The next prime is 386418679. The reversal of 386418673 is 376814683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360734049 + 25684624 = 18993^2 + 5068^2 .

It is a cyclic number.

It is not a de Polignac number, because 386418673 - 2¹³ = 386410481 is a prime.

It is not a weakly prime, because it can be changed into another prime (386418679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193209336 + 193209337.

It is an arithmetic number, because the mean of its divisors is an integer number (193209337).

Almost surely, 2^386418673 is an apocalyptic number.

It is an amenable number.

386418673 is a deficient number, since it is larger than the sum of its proper divisors (1).

386418673 is an equidigital number, since it uses as much as digits as its factorization.

386418673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 386418673 is about 19657.5347640542. The cubic root of 386418673 is about 728.3710930834.

The spelling of 386418673 in words is "three hundred eighty-six million, four hundred eighteen thousand, six hundred seventy-three".