386434736 has 20 divisors (see below), whose sum is σ = 749243712. Its totient is φ = 193081536.

The previous prime is 386434733. The next prime is 386434739. The reversal of 386434736 is 637434683.

It is an interprime number because it is at equal distance from previous prime (386434733) and next prime (386434739).

It is not an unprimeable number, because it can be changed into a prime (386434733) by changing a digit.

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, 17366 + ... + 32778.

Almost surely, 2^386434736 is an apocalyptic number.

It is an amenable number.

386434736 is a deficient number, since it is larger than the sum of its proper divisors (362808976).

386434736 is a wasteful number, since it uses less digits than its factorization.

386434736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16988 (or 16982 counting only the distinct ones).

The product of its digits is 870912, while the sum is 44.

The square root of 386434736 is about 19657.9433308777. The cubic root of 386434736 is about 728.3811854724.

The spelling of 386434736 in words is "three hundred eighty-six million, four hundred thirty-four thousand, seven hundred thirty-six".