386464641 has 4 divisors (see below), whose sum is σ = 515286192. Its totient is φ = 257643092.

The previous prime is 386464609. The next prime is 386464679. The reversal of 386464641 is 146464683.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146464683 = 3 ⋅48821561.

It is a cyclic number.

It is not a de Polignac number, because 386464641 - 2⁵ = 386464609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 386464593 and 386464602.

It is not an unprimeable number, because it can be changed into a prime (386464601) 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, 64410771 + ... + 64410776.

It is an arithmetic number, because the mean of its divisors is an integer number (128821548).

Almost surely, 2^386464641 is an apocalyptic number.

It is an amenable number.

386464641 is a deficient number, since it is larger than the sum of its proper divisors (128821551).

386464641 is a wasteful number, since it uses less digits than its factorization.

386464641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128821550.

The product of its digits is 331776, while the sum is 42.

The square root of 386464641 is about 19658.7039501591. The cubic root of 386464641 is about 728.3999740504.

Adding to 386464641 its sum of digits (42), we get a palindrome (386464683).

The spelling of 386464641 in words is "three hundred eighty-six million, four hundred sixty-four thousand, six hundred forty-one".