406468999 has 8 divisors (see below), whose sum is σ = 410787360. Its totient is φ = 402170496.

The previous prime is 406468927. The next prime is 406469051. The reversal of 406468999 is 999864604.

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

It is a cyclic number.

It is not a de Polignac number, because 406468999 - 2¹⁹ = 405944711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406462999) 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, 38142 + ... + 47620.

It is an arithmetic number, because the mean of its divisors is an integer number (51348420).

Almost surely, 2^406468999 is an apocalyptic number.

406468999 is a deficient number, since it is larger than the sum of its proper divisors (4318361).

406468999 is a wasteful number, since it uses less digits than its factorization.

406468999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 406468999 is about 20161.0763353547. The cubic root of 406468999 is about 740.7570770260.

The spelling of 406468999 in words is "four hundred six million, four hundred sixty-eight thousand, nine hundred ninety-nine".