406617828 has 48 divisors (see below), whose sum is σ = 1014201216. Its totient is φ = 126480640.

The previous prime is 406617817. The next prime is 406617833. The reversal of 406617828 is 828716604.

It is a self number, because there is not a number n which added to its sum of digits gives 406617828.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6651 + ... + 29282.

It is an arithmetic number, because the mean of its divisors is an integer number (21129192).

Almost surely, 2^406617828 is an apocalyptic number.

It is an amenable number.

406617828 is an abundant number, since it is smaller than the sum of its proper divisors (607583388).

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

406617828 is a wasteful number, since it uses less digits than its factorization.

406617828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36004 (or 36002 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 406617828 is about 20164.7669959263. The cubic root of 406617828 is about 740.8474756234.

The spelling of 406617828 in words is "four hundred six million, six hundred seventeen thousand, eight hundred twenty-eight".