386842747 has 2 divisors, whose sum is σ = 386842748. Its totient is φ = 386842746.

The previous prime is 386842741. The next prime is 386842751. The reversal of 386842747 is 747248683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 386842747 - 2³ = 386842739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386842747.

It is not a weakly prime, because it can be changed into another prime (386842741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193421373 + 193421374.

It is an arithmetic number, because the mean of its divisors is an integer number (193421374).

Almost surely, 2^386842747 is an apocalyptic number.

386842747 is a deficient number, since it is larger than the sum of its proper divisors (1).

386842747 is an equidigital number, since it uses as much as digits as its factorization.

386842747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 49.

The square root of 386842747 is about 19668.3183571957. The cubic root of 386842747 is about 728.6374452199.

The spelling of 386842747 in words is "three hundred eighty-six million, eight hundred forty-two thousand, seven hundred forty-seven".