409406229 has 12 divisors (see below), whose sum is σ = 592020000. Its totient is φ = 272634984.

The previous prime is 409406219. The next prime is 409406267. The reversal of 409406229 is 922604904.

It is not a de Polignac number, because 409406229 - 2¹¹ = 409404181 is a prime.

It is a super-2 number, since 2×409406229² = 335226920688000882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 409406193 and 409406202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409406209) 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, 16479 + ... + 33020.

It is an arithmetic number, because the mean of its divisors is an integer number (49335000).

Almost surely, 2^409406229 is an apocalyptic number.

It is an amenable number.

409406229 is a deficient number, since it is larger than the sum of its proper divisors (182613771).

409406229 is a wasteful number, since it uses less digits than its factorization.

409406229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50424 (or 50421 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 409406229 is about 20233.7892892063. The cubic root of 409406229 is about 742.5370848396.

It can be divided in two parts, 4094062 and 29, that added together give a triangular number (4094091 = T₂₈₆₁).

The spelling of 409406229 in words is "four hundred nine million, four hundred six thousand, two hundred twenty-nine".