412638 has 16 divisors (see below), whose sum is σ = 834960. Its totient is φ = 135936.

The previous prime is 412637. The next prime is 412639. The reversal of 412638 is 836214.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (412637) and next prime (412639).

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 412638.

It is not an unprimeable number, because it can be changed into a prime (412637) 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, 228 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (52185).

2⁴¹²⁶³⁸ is an apocalyptic number.

412638 is an abundant number, since it is smaller than the sum of its proper divisors (422322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

412638 is a wasteful number, since it uses less digits than its factorization.

412638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 1152, while the sum is 24.

The square root of 412638 is about 642.3690528038. The cubic root of 412638 is about 74.4485779410.

The spelling of 412638 in words is "four hundred twelve thousand, six hundred thirty-eight".