814430938 has 4 divisors (see below), whose sum is σ = 1221646410. Its totient is φ = 407215468.

The previous prime is 814430923. The next prime is 814430963. The reversal of 814430938 is 839034418.

814430938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839034418 = 2 ⋅419517209.

It can be written as a sum of positive squares in only one way, i.e., 679801329 + 134629609 = 26073^2 + 11603^2 .

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 814430938.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203607733 + ... + 203607736.

Almost surely, 2^814430938 is an apocalyptic number.

814430938 is a deficient number, since it is larger than the sum of its proper divisors (407215472).

814430938 is a wasteful number, since it uses less digits than its factorization.

814430938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407215471.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 814430938 is about 28538.2364206340. The cubic root of 814430938 is about 933.8664092781.

The spelling of 814430938 in words is "eight hundred fourteen million, four hundred thirty thousand, nine hundred thirty-eight".