413866 has 4 divisors (see below), whose sum is σ = 620802. Its totient is φ = 206932.

The previous prime is 413863. The next prime is 413867. The reversal of 413866 is 668314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668314 = 2 ⋅334157.

It can be written as a sum of positive squares in only one way, i.e., 395641 + 18225 = 629^2 + 135^2 .

It is not an unprimeable number, because it can be changed into a prime (413863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103465 + ... + 103468.

2⁴¹³⁸⁶⁶ is an apocalyptic number.

413866 is a deficient number, since it is larger than the sum of its proper divisors (206936).

413866 is a wasteful number, since it uses less digits than its factorization.

413866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206935.

The product of its digits is 3456, while the sum is 28.

The square root of 413866 is about 643.3241795549. The cubic root of 413866 is about 74.5223571475.

The spelling of 413866 in words is "four hundred thirteen thousand, eight hundred sixty-six".