46320209 has 4 divisors (see below), whose sum is σ = 49883316. Its totient is φ = 42757104.

The previous prime is 46320191. The next prime is 46320227. The reversal of 46320209 is 90202364.

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

It is an interprime number because it is at equal distance from previous prime (46320191) and next prime (46320227).

It can be written as a sum of positive squares in 2 ways, for example, as 14227984 + 32092225 = 3772^2 + 5665^2 .

It is not a de Polignac number, because 46320209 - 2²⁴ = 29542993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46320299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781534 + ... + 1781559.

It is an arithmetic number, because the mean of its divisors is an integer number (12470829).

Almost surely, 2^46320209 is an apocalyptic number.

It is an amenable number.

46320209 is a deficient number, since it is larger than the sum of its proper divisors (3563107).

46320209 is a wasteful number, since it uses less digits than its factorization.

46320209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563106.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 46320209 is about 6805.8951652226. The cubic root of 46320209 is about 359.1342597278.

The spelling of 46320209 in words is "forty-six million, three hundred twenty thousand, two hundred nine".