386785045 has 8 divisors (see below), whose sum is σ = 464359896. Its totient is φ = 309282816.

The previous prime is 386784989. The next prime is 386785081. The reversal of 386785045 is 540587683.

It can be written as a sum of positive squares in 4 ways, for example, as 142706916 + 244078129 = 11946^2 + 15623^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 386785045 - 2⁹ = 386784533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386784986 and 386785004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5652 + ... + 28381.

It is an arithmetic number, because the mean of its divisors is an integer number (58044987).

Almost surely, 2^386785045 is an apocalyptic number.

It is an amenable number.

386785045 is a deficient number, since it is larger than the sum of its proper divisors (77574851).

386785045 is a wasteful number, since it uses less digits than its factorization.

386785045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36311.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 386785045 is about 19666.8514256858. The cubic root of 386785045 is about 728.6012152283.

The spelling of 386785045 in words is "three hundred eighty-six million, seven hundred eighty-five thousand, forty-five".