385340386 has 16 divisors (see below), whose sum is σ = 592673760. Its totient is φ = 187791520.

The previous prime is 385340341. The next prime is 385340393. The reversal of 385340386 is 683043583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135285 + ... + 138103.

It is an arithmetic number, because the mean of its divisors is an integer number (37042110).

Almost surely, 2^385340386 is an apocalyptic number.

385340386 is a deficient number, since it is larger than the sum of its proper divisors (207333374).

385340386 is a wasteful number, since it uses less digits than its factorization.

385340386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 385340386 is about 19630.0887924635. The cubic root of 385340386 is about 727.6929644048.

The spelling of 385340386 in words is "three hundred eighty-five million, three hundred forty thousand, three hundred eighty-six".