409970808 has 160 divisors (see below), whose sum is σ = 1267857360. Its totient is φ = 122964480.

The previous prime is 409970807. The next prime is 409970819. The reversal of 409970808 is 808079904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409970807) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 344791 + ... + 345977.

Almost surely, 2^409970808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409970808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633928680).

409970808 is an abundant number, since it is smaller than the sum of its proper divisors (857886552).

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

409970808 is a wasteful number, since it uses less digits than its factorization.

409970808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 409970808 is about 20247.7358734255. The cubic root of 409970808 is about 742.8782523305.

The spelling of 409970808 in words is "four hundred nine million, nine hundred seventy thousand, eight hundred eight".