386451445 has 12 divisors (see below), whose sum is σ = 475398756. Its totient is φ = 301400960.

The previous prime is 386451413. The next prime is 386451467. The reversal of 386451445 is 544154683.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 39262756 + 347188689 = 6266^2 + 18633^2 .

It is not a de Polignac number, because 386451445 - 2⁵ = 386451413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386451398 and 386451407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280779 + ... + 282151.

It is an arithmetic number, because the mean of its divisors is an integer number (39616563).

Almost surely, 2^386451445 is an apocalyptic number.

It is an amenable number.

386451445 is a deficient number, since it is larger than the sum of its proper divisors (88947311).

386451445 is an frugal number, since it uses more digits than its factorization.

386451445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 1419 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 386451445 is about 19658.3683198784. The cubic root of 386451445 is about 728.3916834468.

The spelling of 386451445 in words is "three hundred eighty-six million, four hundred fifty-one thousand, four hundred forty-five".