412309 has 4 divisors (see below), whose sum is σ = 416416. Its totient is φ = 408204.

The previous prime is 412303. The next prime is 412333. The reversal of 412309 is 903214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 412309 - 2⁵ = 412277 is a prime.

It is a super-2 number, since 2×412309² = 339997422962, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412303) 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, 1899 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (104104).

2⁴¹²³⁰⁹ is an apocalyptic number.

It is an amenable number.

412309 is a deficient number, since it is larger than the sum of its proper divisors (4107).

412309 is a wasteful number, since it uses less digits than its factorization.

412309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 412309 is about 642.1129184186. The cubic root of 412309 is about 74.4287865058.

The spelling of 412309 in words is "four hundred twelve thousand, three hundred nine".