408634441 has 4 divisors (see below), whose sum is σ = 408766084. Its totient is φ = 408502800.

The previous prime is 408634439. The next prime is 408634453. The reversal of 408634441 is 144436804.

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 39187600 + 369446841 = 6260^2 + 19221^2 .

It is a cyclic number.

It is not a de Polignac number, because 408634441 - 2¹ = 408634439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408634397 and 408634406.

It is not an unprimeable number, because it can be changed into a prime (408634411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61050 + ... + 67411.

It is an arithmetic number, because the mean of its divisors is an integer number (102191521).

Almost surely, 2^408634441 is an apocalyptic number.

It is an amenable number.

408634441 is a deficient number, since it is larger than the sum of its proper divisors (131643).

408634441 is a wasteful number, since it uses less digits than its factorization.

408634441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131642.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 408634441 is about 20214.7085311661. The cubic root of 408634441 is about 742.0701959149.

The spelling of 408634441 in words is "four hundred eight million, six hundred thirty-four thousand, four hundred forty-one".