404061606 has 24 divisors (see below), whose sum is σ = 942810960. Its totient is φ = 124326576.

The previous prime is 404061599. The next prime is 404061607. The reversal of 404061606 is 606160404.

404061606 is a `hidden beast` number, since 4 + 0 + 40 + 616 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 404061606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404061607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863146 + ... + 863613.

It is an arithmetic number, because the mean of its divisors is an integer number (39283790).

Almost surely, 2^404061606 is an apocalyptic number.

404061606 is an abundant number, since it is smaller than the sum of its proper divisors (538749354).

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

404061606 is a wasteful number, since it uses less digits than its factorization.

404061606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726780 (or 1726777 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 404061606 is about 20101.2836903517. The cubic root of 404061606 is about 739.2917535759.

The spelling of 404061606 in words is "four hundred four million, sixty-one thousand, six hundred six".