409061830 has 16 divisors (see below), whose sum is σ = 775064880. Its totient is φ = 155012832.

The previous prime is 409061827. The next prime is 409061839. The reversal of 409061830 is 38160904.

It is a junction number, because it is equal to n+sod(n) for n = 409061792 and 409061801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409061839) 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 7 ways as a sum of consecutive naturals, for example, 1076289 + ... + 1076668.

It is an arithmetic number, because the mean of its divisors is an integer number (48441555).

Almost surely, 2^409061830 is an apocalyptic number.

409061830 is a deficient number, since it is larger than the sum of its proper divisors (366003050).

409061830 is a wasteful number, since it uses less digits than its factorization.

409061830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152983.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 409061830 is about 20225.2770067557. The cubic root of 409061830 is about 742.3288151125.

The spelling of 409061830 in words is "four hundred nine million, sixty-one thousand, eight hundred thirty".