409474463 has 4 divisors (see below), whose sum is σ = 409614000. Its totient is φ = 409334928.

The previous prime is 409474409. The next prime is 409474469. The reversal of 409474463 is 364474904.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 409474463 - 2⁶ = 409474399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409474463.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65270 + ... + 71267.

It is an arithmetic number, because the mean of its divisors is an integer number (102403500).

Almost surely, 2^409474463 is an apocalyptic number.

409474463 is a deficient number, since it is larger than the sum of its proper divisors (139537).

409474463 is a wasteful number, since it uses less digits than its factorization.

409474463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139536.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 409474463 is about 20235.4753588840. The cubic root of 409474463 is about 742.5783343837.

The spelling of 409474463 in words is "four hundred nine million, four hundred seventy-four thousand, four hundred sixty-three".