412894138 has 4 divisors (see below), whose sum is σ = 619341210. Its totient is φ = 206447068.

The previous prime is 412894129. The next prime is 412894169. The reversal of 412894138 is 831498214.

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., 406304649 + 6589489 = 20157^2 + 2567^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 412894138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103223533 + ... + 103223536.

Almost surely, 2^412894138 is an apocalyptic number.

412894138 is a deficient number, since it is larger than the sum of its proper divisors (206447072).

412894138 is a wasteful number, since it uses less digits than its factorization.

412894138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206447071.

The product of its digits is 55296, while the sum is 40.

The square root of 412894138 is about 20319.7967017389. The cubic root of 412894138 is about 744.6397898307.

The spelling of 412894138 in words is "four hundred twelve million, eight hundred ninety-four thousand, one hundred thirty-eight".