412978 has 4 divisors (see below), whose sum is σ = 619470. Its totient is φ = 206488.

The previous prime is 412967. The next prime is 412987. The reversal of 412978 is 879214.

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

It can be written as a sum of positive squares in only one way, i.e., 288369 + 124609 = 537^2 + 353^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103243 + ... + 103246.

2⁴¹²⁹⁷⁸ is an apocalyptic number.

412978 is a deficient number, since it is larger than the sum of its proper divisors (206492).

412978 is a wasteful number, since it uses less digits than its factorization.

412978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206491.

The product of its digits is 4032, while the sum is 31.

The square root of 412978 is about 642.6336436882. The cubic root of 412978 is about 74.4690200456.

The spelling of 412978 in words is "four hundred twelve thousand, nine hundred seventy-eight".