408543316 has 12 divisors (see below), whose sum is σ = 720170388. Its totient is φ = 202780352.

The previous prime is 408543313. The next prime is 408543323. The reversal of 408543316 is 613345804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 308142916 + 100400400 = 17554^2 + 10020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408543313) 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, 372211 + ... + 373306.

It is an arithmetic number, because the mean of its divisors is an integer number (60014199).

Almost surely, 2^408543316 is an apocalyptic number.

It is an amenable number.

408543316 is a deficient number, since it is larger than the sum of its proper divisors (311627072).

408543316 is a wasteful number, since it uses less digits than its factorization.

408543316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745658 (or 745656 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 408543316 is about 20212.4544773761. The cubic root of 408543316 is about 742.0150315537.

The spelling of 408543316 in words is "four hundred eight million, five hundred forty-three thousand, three hundred sixteen".