409474461 has 32 divisors (see below), whose sum is σ = 652406400. Its totient is φ = 225505280.

The previous prime is 409474409. The next prime is 409474469. The reversal of 409474461 is 164474904.

It is not a de Polignac number, because 409474461 - 2⁹ = 409473949 is a prime.

It is a super-2 number, since 2×409474461² = 335338668422481042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409474469) 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 31 ways as a sum of consecutive naturals, for example, 3685 + ... + 28853.

It is an arithmetic number, because the mean of its divisors is an integer number (20387700).

Almost surely, 2^409474461 is an apocalyptic number.

It is an amenable number.

409474461 is a deficient number, since it is larger than the sum of its proper divisors (242931939).

409474461 is a wasteful number, since it uses less digits than its factorization.

409474461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25229.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 409474461 is about 20235.4753094658. The cubic root of 409474461 is about 742.5783331747.

The spelling of 409474461 in words is "four hundred nine million, four hundred seventy-four thousand, four hundred sixty-one".