415385 has 4 divisors (see below), whose sum is σ = 498468. Its totient is φ = 332304.

The previous prime is 415381. The next prime is 415391. The reversal of 415385 is 583514.

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 177241 + 238144 = 421^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 415385 - 2² = 415381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415381) 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, 41534 + ... + 41543.

It is an arithmetic number, because the mean of its divisors is an integer number (124617).

2⁴¹⁵³⁸⁵ is an apocalyptic number.

It is an amenable number.

415385 is a deficient number, since it is larger than the sum of its proper divisors (83083).

415385 is an equidigital number, since it uses as much as digits as its factorization.

415385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83082.

The product of its digits is 2400, while the sum is 26.

The square root of 415385 is about 644.5036850166. The cubic root of 415385 is about 74.6134182247.

Adding to 415385 its reverse (583514), we get a palindrome (998899).

It can be divided in two parts, 41538 and 5, that multiplied together give a triangular number (207690 = T₆₄₄).

The spelling of 415385 in words is "four hundred fifteen thousand, three hundred eighty-five".