464395809 has 8 divisors (see below), whose sum is σ = 619293952. Its totient is φ = 309547440.

The previous prime is 464395793. The next prime is 464395823. The reversal of 464395809 is 908593464.

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

It is not a de Polignac number, because 464395809 - 2⁴ = 464395793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464394809) 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, 30864 + ... + 43374.

It is an arithmetic number, because the mean of its divisors is an integer number (77411744).

Almost surely, 2^464395809 is an apocalyptic number.

It is an amenable number.

464395809 is a deficient number, since it is larger than the sum of its proper divisors (154898143).

464395809 is a wasteful number, since it uses less digits than its factorization.

464395809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24887.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 464395809 is about 21549.8447558213. The cubic root of 464395809 is about 774.3953988676.

The spelling of 464395809 in words is "four hundred sixty-four million, three hundred ninety-five thousand, eight hundred nine".