412391 has 4 divisors (see below), whose sum is σ = 471312. Its totient is φ = 353472.

The previous prime is 412387. The next prime is 412397. The reversal of 412391 is 193214.

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

It is not a de Polignac number, because 412391 - 2² = 412387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412397) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 29450 + ... + 29463.

It is an arithmetic number, because the mean of its divisors is an integer number (117828).

2⁴¹²³⁹¹ is an apocalyptic number.

412391 is a deficient number, since it is larger than the sum of its proper divisors (58921).

412391 is an equidigital number, since it uses as much as digits as its factorization.

412391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58920.

The product of its digits is 216, while the sum is 20.

The square root of 412391 is about 642.1767669419. The cubic root of 412391 is about 74.4337203103.

The spelling of 412391 in words is "four hundred twelve thousand, three hundred ninety-one".