386544730 has 32 divisors (see below), whose sum is σ = 817423488. Its totient is φ = 129748800.

The previous prime is 386544727. The next prime is 386544737. The reversal of 386544730 is 37445683.

It is not an unprimeable number, because it can be changed into a prime (386544737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133726 + ... + 136585.

It is an arithmetic number, because the mean of its divisors is an integer number (25544484).

Almost surely, 2^386544730 is an apocalyptic number.

386544730 is an abundant number, since it is smaller than the sum of its proper divisors (430878758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386544730 is a wasteful number, since it uses less digits than its factorization.

386544730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270342.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 386544730 is about 19660.7408303960. The cubic root of 386544730 is about 728.4502872313.

The spelling of 386544730 in words is "three hundred eighty-six million, five hundred forty-four thousand, seven hundred thirty".