812338 has 4 divisors (see below), whose sum is σ = 1218510. Its totient is φ = 406168.

The previous prime is 812309. The next prime is 812341. The reversal of 812338 is 833218.

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., 431649 + 380689 = 657^2 + 617^2 .

It is a nialpdrome in base 7 and base 16.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203083 + ... + 203086.

2⁸¹²³³⁸ is an apocalyptic number.

812338 is a deficient number, since it is larger than the sum of its proper divisors (406172).

812338 is a wasteful number, since it uses less digits than its factorization.

812338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406171.

The product of its digits is 1152, while the sum is 25.

The square root of 812338 is about 901.2979529545. The cubic root of 812338 is about 93.3065767974.

The spelling of 812338 in words is "eight hundred twelve thousand, three hundred thirty-eight".