476809406 has 4 divisors (see below), whose sum is σ = 715214112. Its totient is φ = 238404702.

The previous prime is 476809397. The next prime is 476809423. The reversal of 476809406 is 604908674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604908674 = 2 ⋅302454337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119202350 + ... + 119202353.

It is an arithmetic number, because the mean of its divisors is an integer number (178803528).

Almost surely, 2^476809406 is an apocalyptic number.

476809406 is a deficient number, since it is larger than the sum of its proper divisors (238404706).

476809406 is a wasteful number, since it uses less digits than its factorization.

476809406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238404705.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 476809406 is about 21835.9658820030. The cubic root of 476809406 is about 781.2348433028.

The spelling of 476809406 in words is "four hundred seventy-six million, eight hundred nine thousand, four hundred six".