413638 has 4 divisors (see below), whose sum is σ = 620460. Its totient is φ = 206818.

The previous prime is 413629. The next prime is 413653. The reversal of 413638 is 836314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836314 = 2 ⋅418157.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103408 + ... + 103411.

It is an arithmetic number, because the mean of its divisors is an integer number (155115).

2⁴¹³⁶³⁸ is an apocalyptic number.

413638 is a deficient number, since it is larger than the sum of its proper divisors (206822).

413638 is a wasteful number, since it uses less digits than its factorization.

413638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206821.

The product of its digits is 1728, while the sum is 25.

The square root of 413638 is about 643.1469505486. The cubic root of 413638 is about 74.5086697716.

The spelling of 413638 in words is "four hundred thirteen thousand, six hundred thirty-eight".