406846636 has 24 divisors (see below), whose sum is σ = 815150336. Its totient is φ = 174050640.

The previous prime is 406846633. The next prime is 406846651. The reversal of 406846636 is 636648604.

It is a junction number, because it is equal to n+sod(n) for n = 406846592 and 406846601.

It is not an unprimeable number, because it can be changed into a prime (406846633) 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, 3265 + ... + 28711.

Almost surely, 2^406846636 is an apocalyptic number.

It is an amenable number.

406846636 is an abundant number, since it is smaller than the sum of its proper divisors (408303700).

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

406846636 is a wasteful number, since it uses less digits than its factorization.

406846636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26029 (or 26027 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 406846636 is about 20170.4396580739. The cubic root of 406846636 is about 740.9864103775.

The spelling of 406846636 in words is "four hundred six million, eight hundred forty-six thousand, six hundred thirty-six".