406606448 has 20 divisors (see below), whose sum is σ = 814966440. Its totient is φ = 196292544.

The previous prime is 406606439. The next prime is 406606463. The reversal of 406606448 is 844606604.

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, 437690 + ... + 438617.

It is an arithmetic number, because the mean of its divisors is an integer number (40748322).

Almost surely, 2^406606448 is an apocalyptic number.

It is an amenable number.

406606448 is an abundant number, since it is smaller than the sum of its proper divisors (408359992).

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

406606448 is a wasteful number, since it uses less digits than its factorization.

406606448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876344 (or 876338 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 406606448 is about 20164.4848186112. The cubic root of 406606448 is about 740.8405642008.

The spelling of 406606448 in words is "four hundred six million, six hundred six thousand, four hundred forty-eight".