409813100 has 18 divisors (see below), whose sum is σ = 889294644. Its totient is φ = 163925200.

The previous prime is 409813099. The next prime is 409813111. The reversal of 409813100 is 1318904.

It is a super-2 number, since 2×409813100² = 335893553863220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 409813100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2048966 + ... + 2049165.

It is an arithmetic number, because the mean of its divisors is an integer number (49405258).

Almost surely, 2^409813100 is an apocalyptic number.

It is an amenable number.

409813100 is an abundant number, since it is smaller than the sum of its proper divisors (479481544).

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

409813100 is a wasteful number, since it uses less digits than its factorization.

409813100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098145 (or 4098138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 409813100 is about 20243.8410386962. The cubic root of 409813100 is about 742.7829830519.

The spelling of 409813100 in words is "four hundred nine million, eight hundred thirteen thousand, one hundred".