814761438 has 16 divisors (see below), whose sum is σ = 1685713680. Its totient is φ = 262222016.

The previous prime is 814761383. The next prime is 814761469. The reversal of 814761438 is 834167418.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 814761438.

It is a congruent number.

It is an unprimeable number.

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, 2341095 + ... + 2341442.

It is an arithmetic number, because the mean of its divisors is an integer number (105357105).

Almost surely, 2^814761438 is an apocalyptic number.

814761438 is an abundant number, since it is smaller than the sum of its proper divisors (870952242).

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

814761438 is a wasteful number, since it uses less digits than its factorization.

814761438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682571.

The product of its digits is 129024, while the sum is 42.

The square root of 814761438 is about 28544.0263102457. The cubic root of 814761438 is about 933.9927146911.

The spelling of 814761438 in words is "eight hundred fourteen million, seven hundred sixty-one thousand, four hundred thirty-eight".