409468146 has 16 divisors (see below), whose sum is σ = 824829600. Its totient is φ = 135507168.

The previous prime is 409468127. The next prime is 409468151. The reversal of 409468146 is 641864904.

It is a junction number, because it is equal to n+sod(n) for n = 409468098 and 409468107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244651 + ... + 246318.

It is an arithmetic number, because the mean of its divisors is an integer number (51551850).

Almost surely, 2^409468146 is an apocalyptic number.

409468146 is an abundant number, since it is smaller than the sum of its proper divisors (415361454).

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

409468146 is a wasteful number, since it uses less digits than its factorization.

409468146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491113.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 409468146 is about 20235.3192710172. The cubic root of 409468146 is about 742.5745157561.

The spelling of 409468146 in words is "four hundred nine million, four hundred sixty-eight thousand, one hundred forty-six".