814626438 has 16 divisors (see below), whose sum is σ = 1629633600. Its totient is φ = 271478696.

The previous prime is 814626437. The next prime is 814626469. The reversal of 814626438 is 834626418.

It is a self number, because there is not a number n which added to its sum of digits gives 814626438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814626431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17281 + ... + 43907.

It is an arithmetic number, because the mean of its divisors is an integer number (101852100).

Almost surely, 2^814626438 is an apocalyptic number.

814626438 is an abundant number, since it is smaller than the sum of its proper divisors (815007162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814626438 is a wasteful number, since it uses less digits than its factorization.

814626438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31731.

The product of its digits is 221184, while the sum is 42.

The square root of 814626438 is about 28541.6614442818. The cubic root of 814626438 is about 933.9411265921.

The spelling of 814626438 in words is "eight hundred fourteen million, six hundred twenty-six thousand, four hundred thirty-eight".