396466009 has 8 divisors (see below), whose sum is σ = 406119168. Its totient is φ = 386863680.

The previous prime is 396465997. The next prime is 396466033. The reversal of 396466009 is 900664693.

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 396466009 - 2¹⁵ = 396433241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396466039) 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, 3324 + ... + 28354.

It is an arithmetic number, because the mean of its divisors is an integer number (50764896).

Almost surely, 2^396466009 is an apocalyptic number.

It is an amenable number.

396466009 is a deficient number, since it is larger than the sum of its proper divisors (9653159).

396466009 is a wasteful number, since it uses less digits than its factorization.

396466009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25415.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 396466009 is about 19911.4542161039. The cubic root of 396466009 is about 734.6299888429.

The spelling of 396466009 in words is "three hundred ninety-six million, four hundred sixty-six thousand, nine".