386756641 has 4 divisors (see below), whose sum is σ = 386982832. Its totient is φ = 386530452.

The previous prime is 386756639. The next prime is 386756659. The reversal of 386756641 is 146657683.

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 not a de Polignac number, because 386756641 - 2¹ = 386756639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386756591 and 386756600.

It is not an unprimeable number, because it can be changed into a prime (386756611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110511 + ... + 113956.

It is an arithmetic number, because the mean of its divisors is an integer number (96745708).

Almost surely, 2^386756641 is an apocalyptic number.

It is an amenable number.

386756641 is a deficient number, since it is larger than the sum of its proper divisors (226191).

386756641 is a wasteful number, since it uses less digits than its factorization.

386756641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226190.

The product of its digits is 725760, while the sum is 46.

The square root of 386756641 is about 19666.1292836186. The cubic root of 386756641 is about 728.5833795718.

The spelling of 386756641 in words is "three hundred eighty-six million, seven hundred fifty-six thousand, six hundred forty-one".