814320738 has 48 divisors (see below), whose sum is σ = 2199727296. Its totient is φ = 211511520.

The previous prime is 814320737. The next prime is 814320751. The reversal of 814320738 is 837023418.

It is not an unprimeable number, because it can be changed into a prime (814320737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292381 + ... + 295152.

It is an arithmetic number, because the mean of its divisors is an integer number (45827652).

Almost surely, 2^814320738 is an apocalyptic number.

814320738 is an abundant number, since it is smaller than the sum of its proper divisors (1385406558).

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

814320738 is a wasteful number, since it uses less digits than its factorization.

814320738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587559 (or 587556 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 814320738 is about 28536.3056123248. The cubic root of 814320738 is about 933.8242871388.

The spelling of 814320738 in words is "eight hundred fourteen million, three hundred twenty thousand, seven hundred thirty-eight".