409285600 has 72 divisors (see below), whose sum is σ = 1015669368. Its totient is φ = 161011200.

The previous prime is 409285577. The next prime is 409285603. The reversal of 409285600 is 6582904.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409285603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44607 + ... + 52993.

It is an arithmetic number, because the mean of its divisors is an integer number (14106519).

Almost surely, 2^409285600 is an apocalyptic number.

409285600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409285600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507834684).

409285600 is an abundant number, since it is smaller than the sum of its proper divisors (606383768).

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

409285600 is a wasteful number, since it uses less digits than its factorization.

409285600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8468 (or 8455 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 409285600 is about 20230.8081894916. The cubic root of 409285600 is about 742.4641496973.

The spelling of 409285600 in words is "four hundred nine million, two hundred eighty-five thousand, six hundred".