386547945 has 32 divisors (see below), whose sum is σ = 708637440. Its totient is φ = 176256000.

The previous prime is 386547929. The next prime is 386547949. The reversal of 386547945 is 549745683.

It is not a de Polignac number, because 386547945 - 2⁴ = 386547929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386547949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38445 + ... + 47445.

It is an arithmetic number, because the mean of its divisors is an integer number (22144920).

Almost surely, 2^386547945 is an apocalyptic number.

386547945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

386547945 is a deficient number, since it is larger than the sum of its proper divisors (322089495).

386547945 is a wasteful number, since it uses less digits than its factorization.

386547945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9425.

The product of its digits is 3628800, while the sum is 51.

The square root of 386547945 is about 19660.8225921501. The cubic root of 386547945 is about 728.4523068002.

The spelling of 386547945 in words is "three hundred eighty-six million, five hundred forty-seven thousand, nine hundred forty-five".