386654945 has 4 divisors (see below), whose sum is σ = 463985940. Its totient is φ = 309323952.

The previous prime is 386654927. The next prime is 386655019. The reversal of 386654945 is 549456683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77035729 + 309619216 = 8777^2 + 17596^2 .

It is a cyclic number.

It is not a de Polignac number, because 386654945 - 2⁶ = 386654881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 386654893 and 386654902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38665490 + ... + 38665499.

It is an arithmetic number, because the mean of its divisors is an integer number (115996485).

Almost surely, 2^386654945 is an apocalyptic number.

It is an amenable number.

386654945 is a deficient number, since it is larger than the sum of its proper divisors (77330995).

386654945 is an equidigital number, since it uses as much as digits as its factorization.

386654945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77330994.

The product of its digits is 3110400, while the sum is 50.

The square root of 386654945 is about 19663.5435514558. The cubic root of 386654945 is about 728.5195146822.

The spelling of 386654945 in words is "three hundred eighty-six million, six hundred fifty-four thousand, nine hundred forty-five".