46405 has 4 divisors (see below), whose sum is σ = 55692. Its totient is φ = 37120.

The previous prime is 46399. The next prime is 46411. The reversal of 46405 is 50464.

46405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (46399) and next prime (46411).

It can be written as a sum of positive squares in 2 ways, for example, as 30276 + 16129 = 174^2 + 127^2 .

It is not a de Polignac number, because 46405 - 2⁹ = 45893 is a prime.

It is a Duffinian number.

46405 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636 + ... + 4645.

It is an arithmetic number, because the mean of its divisors is an integer number (13923).

2⁴⁶⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

46405 is a deficient number, since it is larger than the sum of its proper divisors (9287).

46405 is an equidigital number, since it uses as much as digits as its factorization.

46405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 46405 is about 215.4181979314. The cubic root of 46405 is about 35.9353262705.

Adding to 46405 its reverse (50464), we get a palindrome (96869).

The spelling of 46405 in words is "forty-six thousand, four hundred five".