408849216 has 28 divisors (see below), whose sum is σ = 1081747392. Its totient is φ = 136283008.

The previous prime is 408849211. The next prime is 408849241. The reversal of 408849216 is 612948804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408849211) 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, 1064520 + ... + 1064903.

Almost surely, 2^408849216 is an apocalyptic number.

It is an amenable number.

408849216 is an abundant number, since it is smaller than the sum of its proper divisors (672898176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408849216 is a wasteful number, since it uses less digits than its factorization.

408849216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129438 (or 2129428 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 408849216 is about 20220.0201780315. The cubic root of 408849216 is about 742.2001818680.

The spelling of 408849216 in words is "four hundred eight million, eight hundred forty-nine thousand, two hundred sixteen".