814864838 has 16 divisors (see below), whose sum is σ = 1309914720. Its totient is φ = 379184256.

The previous prime is 814864829. The next prime is 814864849. The reversal of 814864838 is 838468418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237683 + ... + 241086.

It is an arithmetic number, because the mean of its divisors is an integer number (81869670).

Almost surely, 2^814864838 is an apocalyptic number.

814864838 is a deficient number, since it is larger than the sum of its proper divisors (495049882).

814864838 is a wasteful number, since it uses less digits than its factorization.

814864838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478831.

The product of its digits is 1179648, while the sum is 50.

The square root of 814864838 is about 28545.8374899038. The cubic root of 814864838 is about 934.0322234999.

The spelling of 814864838 in words is "eight hundred fourteen million, eight hundred sixty-four thousand, eight hundred thirty-eight".