46309 has 2 divisors, whose sum is σ = 46310. Its totient is φ = 46308.

The previous prime is 46307. The next prime is 46327. The reversal of 46309 is 90364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44100 + 2209 = 210^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 46309 - 2¹ = 46307 is a prime.

Together with 46307, it forms a pair of twin primes.

46309 is a lucky number.

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 46309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23154 + 23155.

It is an arithmetic number, because the mean of its divisors is an integer number (23155).

2⁴⁶³⁰⁹ is an apocalyptic number.

It is an amenable number.

46309 is a deficient number, since it is larger than the sum of its proper divisors (1).

46309 is an equidigital number, since it uses as much as digits as its factorization.

46309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 46309 is about 215.1952601709. The cubic root of 46309 is about 35.9105288495.

The spelling of 46309 in words is "forty-six thousand, three hundred nine".