386137449 has 14 divisors (see below), whose sum is σ = 578942426. Its totient is φ = 257424480.

The previous prime is 386137441. The next prime is 386137459. The reversal of 386137449 is 944731683.

It can be written as a sum of positive squares in only one way, i.e., 352125225 + 34012224 = 18765^2 + 5832^2 .

It is not a de Polignac number, because 386137449 - 2³ = 386137441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386137441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 264112 + ... + 265569.

Almost surely, 2^386137449 is an apocalyptic number.

It is an amenable number.

386137449 is a deficient number, since it is larger than the sum of its proper divisors (192804977).

386137449 is an frugal number, since it uses more digits than its factorization.

386137449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529699 (or 529684 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 386137449 is about 19650.3803779978. The cubic root of 386137449 is about 728.1943546062.

The spelling of 386137449 in words is "three hundred eighty-six million, one hundred thirty-seven thousand, four hundred forty-nine".