839654445 has 48 divisors (see below), whose sum is σ = 1630765440. Its totient is φ = 367145856.

The previous prime is 839654401. The next prime is 839654471. The reversal of 839654445 is 544456938.

It is not a de Polignac number, because 839654445 - 2⁹ = 839653933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 839654394 and 839654403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7930 + ... + 41739.

It is an arithmetic number, because the mean of its divisors is an integer number (33974280).

Almost surely, 2^839654445 is an apocalyptic number.

It is an amenable number.

839654445 is a deficient number, since it is larger than the sum of its proper divisors (791110995).

839654445 is a wasteful number, since it uses less digits than its factorization.

839654445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49714 (or 49707 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 839654445 is about 28976.7914890521. The cubic root of 839654445 is about 943.4093955602.

It can be divided in two parts, 83965 and 4445, that added together give a triangular number (88410 = T₄₂₀).

The spelling of 839654445 in words is "eight hundred thirty-nine million, six hundred fifty-four thousand, four hundred forty-five".