409998068 has 24 divisors (see below), whose sum is σ = 724510080. Its totient is φ = 203005440.

The previous prime is 409998067. The next prime is 409998097. The reversal of 409998068 is 860899904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409998067) 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, 192980 + ... + 195092.

It is an arithmetic number, because the mean of its divisors is an integer number (30187920).

Almost surely, 2^409998068 is an apocalyptic number.

It is an amenable number.

409998068 is a deficient number, since it is larger than the sum of its proper divisors (314512012).

409998068 is a wasteful number, since it uses less digits than its factorization.

409998068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 409998068 is about 20248.4090239209. The cubic root of 409998068 is about 742.8947172527.

The spelling of 409998068 in words is "four hundred nine million, nine hundred ninety-eight thousand, sixty-eight".