814198716 has 72 divisors (see below), whose sum is σ = 2246724480. Its totient is φ = 257109552.

The previous prime is 814198699. The next prime is 814198733. The reversal of 814198716 is 617891418.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (814198699) and next prime (814198733).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3576 + ... + 40511.

Almost surely, 2^814198716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814198716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123362240).

814198716 is an abundant number, since it is smaller than the sum of its proper divisors (1432525764).

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

814198716 is a wasteful number, since it uses less digits than its factorization.

814198716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44125 (or 44111 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 814198716 is about 28534.1675189587. The cubic root of 814198716 is about 933.7776418004. Note that the first 3 decimals are identical.

The spelling of 814198716 in words is "eight hundred fourteen million, one hundred ninety-eight thousand, seven hundred sixteen".