386748434 has 8 divisors (see below), whose sum is σ = 581977020. Its totient is φ = 192756096.

The previous prime is 386748413. The next prime is 386748497. The reversal of 386748434 is 434847683.

It can be written as a sum of positive squares in 2 ways, for example, as 384042409 + 2706025 = 19597^2 + 1645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308279 + ... + 309530.

Almost surely, 2^386748434 is an apocalyptic number.

386748434 is a deficient number, since it is larger than the sum of its proper divisors (195228586).

386748434 is a wasteful number, since it uses less digits than its factorization.

386748434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618124.

The product of its digits is 1548288, while the sum is 47.

The square root of 386748434 is about 19665.9206242678. The cubic root of 386748434 is about 728.5782260071.

The spelling of 386748434 in words is "three hundred eighty-six million, seven hundred forty-eight thousand, four hundred thirty-four".