412239 has 4 divisors (see below), whose sum is σ = 549656. Its totient is φ = 274824.

The previous prime is 412219. The next prime is 412249. The reversal of 412239 is 932214.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 412239 - 2⁹ = 411727 is a prime.

It is a D-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 (412219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68704 + ... + 68709.

It is an arithmetic number, because the mean of its divisors is an integer number (137414).

2⁴¹²²³⁹ is an apocalyptic number.

412239 is a deficient number, since it is larger than the sum of its proper divisors (137417).

412239 is a wasteful number, since it uses less digits than its factorization.

412239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137416.

The product of its digits is 432, while the sum is 21.

The square root of 412239 is about 642.0584085580. The cubic root of 412239 is about 74.4245742039.

The spelling of 412239 in words is "four hundred twelve thousand, two hundred thirty-nine".