406611028 has 12 divisors (see below), whose sum is σ = 711959220. Its totient is φ = 203194112.

The previous prime is 406611011. The next prime is 406611047. The reversal of 406611028 is 820116604.

It can be written as a sum of positive squares in 2 ways, for example, as 212343184 + 194267844 = 14572^2 + 13938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 406610987 and 406611005.

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, 19351 + ... + 34462.

It is an arithmetic number, because the mean of its divisors is an integer number (59329935).

Almost surely, 2^406611028 is an apocalyptic number.

It is an amenable number.

406611028 is a deficient number, since it is larger than the sum of its proper divisors (305348192).

406611028 is a wasteful number, since it uses less digits than its factorization.

406611028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55706 (or 55704 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 406611028 is about 20164.5983842972. The cubic root of 406611028 is about 740.8433457906.

The spelling of 406611028 in words is "four hundred six million, six hundred eleven thousand, twenty-eight".