411622728 has 32 divisors (see below), whose sum is σ = 1122608160. Its totient is φ = 124734080.

The previous prime is 411622721. The next prime is 411622777. The reversal of 411622728 is 827226114.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (411622721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779325 + ... + 779852.

It is an arithmetic number, because the mean of its divisors is an integer number (35081505).

Almost surely, 2^411622728 is an apocalyptic number.

It is an amenable number.

411622728 is an abundant number, since it is smaller than the sum of its proper divisors (710985432).

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

411622728 is a wasteful number, since it uses less digits than its factorization.

411622728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559197 (or 1559193 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 411622728 is about 20288.4875730055. The cubic root of 411622728 is about 743.8746898447.

The spelling of 411622728 in words is "four hundred eleven million, six hundred twenty-two thousand, seven hundred twenty-eight".