413815 has 4 divisors (see below), whose sum is σ = 496584. Its totient is φ = 331048.

The previous prime is 413807. The next prime is 413827. The reversal of 413815 is 518314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 518314 = 2 ⋅259157.

It is a cyclic number.

It is not a de Polignac number, because 413815 - 2³ = 413807 is a prime.

It is an Ulam number.

It is a Duffinian number.

413815 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, 41377 + ... + 41386.

It is an arithmetic number, because the mean of its divisors is an integer number (124146).

2⁴¹³⁸¹⁵ is an apocalyptic number.

413815 is a deficient number, since it is larger than the sum of its proper divisors (82769).

413815 is an equidigital number, since it uses as much as digits as its factorization.

413815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82768.

The product of its digits is 480, while the sum is 22.

The square root of 413815 is about 643.2845404640. The cubic root of 413815 is about 74.5192959342.

The spelling of 413815 in words is "four hundred thirteen thousand, eight hundred fifteen".