412945 has 8 divisors (see below), whose sum is σ = 533736. Its totient is φ = 304896.

The previous prime is 412943. The next prime is 412949. The reversal of 412945 is 549214.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 408321 = 68^2 + 639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 412945 - 2¹ = 412943 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412943) 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, 3112 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (66717).

2⁴¹²⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

412945 is a deficient number, since it is larger than the sum of its proper divisors (120791).

412945 is a wasteful number, since it uses less digits than its factorization.

412945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371.

The product of its digits is 1440, while the sum is 25.

The square root of 412945 is about 642.6079675821. The cubic root of 412945 is about 74.4670364507.

The spelling of 412945 in words is "four hundred twelve thousand, nine hundred forty-five".