386607641 has 4 divisors (see below), whose sum is σ = 441837312. Its totient is φ = 331377972.

The previous prime is 386607629. The next prime is 386607643. The reversal of 386607641 is 146706683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386607641 is a prime.

It is a super-3 number, since 3×386607641³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (386607643) 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 3 ways as a sum of consecutive naturals, for example, 27614825 + ... + 27614838.

It is an arithmetic number, because the mean of its divisors is an integer number (110459328).

Almost surely, 2^386607641 is an apocalyptic number.

It is an amenable number.

386607641 is a deficient number, since it is larger than the sum of its proper divisors (55229671).

386607641 is an equidigital number, since it uses as much as digits as its factorization.

386607641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55229670.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 386607641 is about 19662.3406795834. The cubic root of 386607641 is about 728.4898040465.

The spelling of 386607641 in words is "three hundred eighty-six million, six hundred seven thousand, six hundred forty-one".