411321216 has 32 divisors (see below), whose sum is σ = 1092573000. Its totient is φ = 137106944.

The previous prime is 411321203. The next prime is 411321223. The reversal of 411321216 is 612123114.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 411321192 and 411321201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535191 + ... + 535958.

Almost surely, 2^411321216 is an apocalyptic number.

It is an amenable number.

411321216 is an abundant number, since it is smaller than the sum of its proper divisors (681251784).

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

411321216 is a wasteful number, since it uses less digits than its factorization.

411321216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071166 (or 1071154 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 411321216 is about 20281.0555938294. The cubic root of 411321216 is about 743.6930170688.

The spelling of 411321216 in words is "four hundred eleven million, three hundred twenty-one thousand, two hundred sixteen".