413845 has 8 divisors (see below), whose sum is σ = 510264. Its totient is φ = 321984.

The previous prime is 413827. The next prime is 413849. The reversal of 413845 is 548314.

It can be written as a sum of positive squares in 4 ways, for example, as 174724 + 239121 = 418^2 + 489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 413845 - 2¹⁵ = 381077 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (63783).

2⁴¹³⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

413845 is a deficient number, since it is larger than the sum of its proper divisors (96419).

413845 is a wasteful number, since it uses less digits than its factorization.

413845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279.

The product of its digits is 1920, while the sum is 25.

The square root of 413845 is about 643.3078578721. The cubic root of 413845 is about 74.5210966784.

The spelling of 413845 in words is "four hundred thirteen thousand, eight hundred forty-five".