406504401 has 8 divisors (see below), whose sum is σ = 542228544. Its totient is φ = 270891600.

The previous prime is 406504379. The next prime is 406504403. The reversal of 406504401 is 104405604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406504401 - 2¹⁷ = 406373329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406504403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18906 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (67778568).

Almost surely, 2^406504401 is an apocalyptic number.

It is an amenable number.

406504401 is a deficient number, since it is larger than the sum of its proper divisors (135724143).

406504401 is a wasteful number, since it uses less digits than its factorization.

406504401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55671.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 406504401 is about 20161.9542951570. The cubic root of 406504401 is about 740.7785821681.

The spelling of 406504401 in words is "four hundred six million, five hundred four thousand, four hundred one".