464399905 has 4 divisors (see below), whose sum is σ = 557279892. Its totient is φ = 371519920.

The previous prime is 464399891. The next prime is 464399909. The reversal of 464399905 is 509993464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262958656 + 201441249 = 16216^2 + 14193^2 .

It is not a de Polignac number, because 464399905 - 2⁷ = 464399777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464399909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46439986 + ... + 46439995.

It is an arithmetic number, because the mean of its divisors is an integer number (139319973).

Almost surely, 2^464399905 is an apocalyptic number.

It is an amenable number.

464399905 is a deficient number, since it is larger than the sum of its proper divisors (92879987).

464399905 is an equidigital number, since it uses as much as digits as its factorization.

464399905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92879986.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 464399905 is about 21549.9397910992. The cubic root of 464399905 is about 774.3976755995.

The spelling of 464399905 in words is "four hundred sixty-four million, three hundred ninety-nine thousand, nine hundred five".