439195849 has 9 divisors (see below), whose sum is σ = 463948653. Its totient is φ = 415703052.

The previous prime is 439195843. The next prime is 439195853. The reversal of 439195849 is 948591934.

The square root of 439195849 is 20957.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 439195849 - 2¹³ = 439187657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439195796 and 439195805.

It is not an unprimeable number, because it can be changed into a prime (439195843) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 397632 + ... + 398734.

Almost surely, 2^439195849 is an apocalyptic number.

439195849 is the 20957-th square number.

439195849 is the 10479-th centered octagonal number.

It is an amenable number.

439195849 is a deficient number, since it is larger than the sum of its proper divisors (24752804).

439195849 is an frugal number, since it uses more digits than its factorization.

439195849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244 (or 1122 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The cubic root of 439195849 is about 760.1268538253.

It can be divided in two parts, 439195 and 849, that added together give a palindrome (440044).

The spelling of 439195849 in words is "four hundred thirty-nine million, one hundred ninety-five thousand, eight hundred forty-nine".