386274433 has 2 divisors, whose sum is σ = 386274434. Its totient is φ = 386274432.

The previous prime is 386274431. The next prime is 386274439. The reversal of 386274433 is 334472683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259306609 + 126967824 = 16103^2 + 11268^2 .

It is an emirp because it is prime and its reverse (334472683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386274433 - 2¹ = 386274431 is a prime.

Together with 386274431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (386274431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193137216 + 193137217.

It is an arithmetic number, because the mean of its divisors is an integer number (193137217).

Almost surely, 2^386274433 is an apocalyptic number.

It is an amenable number.

386274433 is a deficient number, since it is larger than the sum of its proper divisors (1).

386274433 is an equidigital number, since it uses as much as digits as its factorization.

386274433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 40.

The square root of 386274433 is about 19653.8655994183. The cubic root of 386274433 is about 728.2804545018.

The spelling of 386274433 in words is "three hundred eighty-six million, two hundred seventy-four thousand, four hundred thirty-three".