812082938 has 4 divisors (see below), whose sum is σ = 1218124410. Its totient is φ = 406041468.

The previous prime is 812082917. The next prime is 812082959. The reversal of 812082938 is 839280218.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (812082917) and next prime (812082959).

It can be written as a sum of positive squares in only one way, i.e., 556818409 + 255264529 = 23597^2 + 15977^2 .

It is a junction number, because it is equal to n+sod(n) for n = 812082895 and 812082904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203020733 + ... + 203020736.

Almost surely, 2^812082938 is an apocalyptic number.

812082938 is a deficient number, since it is larger than the sum of its proper divisors (406041472).

812082938 is a wasteful number, since it uses less digits than its factorization.

812082938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406041471.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 812082938 is about 28497.0689369977. The cubic root of 812082938 is about 932.9681015123.

The spelling of 812082938 in words is "eight hundred twelve million, eighty-two thousand, nine hundred thirty-eight".