409898846 has 16 divisors (see below), whose sum is σ = 703630176. Its totient is φ = 175434336.

The previous prime is 409898843. The next prime is 409898857. The reversal of 409898846 is 648898904.

It is a junction number, because it is equal to n+sod(n) for n = 409898791 and 409898800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409898843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8741 + ... + 29936.

It is an arithmetic number, because the mean of its divisors is an integer number (43976886).

Almost surely, 2^409898846 is an apocalyptic number.

409898846 is a deficient number, since it is larger than the sum of its proper divisors (293731330).

409898846 is a wasteful number, since it uses less digits than its factorization.

409898846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39443.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 409898846 is about 20245.9587572434. The cubic root of 409898846 is about 742.8347840868.

The spelling of 409898846 in words is "four hundred nine million, eight hundred ninety-eight thousand, eight hundred forty-six".