816743334 has 16 divisors (see below), whose sum is σ = 1781985600. Its totient is φ = 247497960.

The previous prime is 816743293. The next prime is 816743339. The reversal of 816743334 is 433347618.

It is a junction number, because it is equal to n+sod(n) for n = 816743292 and 816743301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816743339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6187384 + ... + 6187515.

It is an arithmetic number, because the mean of its divisors is an integer number (111374100).

Almost surely, 2^816743334 is an apocalyptic number.

816743334 is an abundant number, since it is smaller than the sum of its proper divisors (965242266).

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

816743334 is a wasteful number, since it uses less digits than its factorization.

816743334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12374915.

The product of its digits is 145152, while the sum is 39.

The square root of 816743334 is about 28578.7216998941. The cubic root of 816743334 is about 934.7494096197.

The spelling of 816743334 in words is "eight hundred sixteen million, seven hundred forty-three thousand, three hundred thirty-four".