816988341 has 8 divisors (see below), whose sum is σ = 1173111520. Its totient is φ = 502762032.

The previous prime is 816988327. The next prime is 816988373. The reversal of 816988341 is 143889618.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 816988341 - 2¹³ = 816980149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816988741) 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, 10474171 + ... + 10474248.

It is an arithmetic number, because the mean of its divisors is an integer number (146638940).

Almost surely, 2^816988341 is an apocalyptic number.

It is an amenable number.

816988341 is a deficient number, since it is larger than the sum of its proper divisors (356123179).

816988341 is a wasteful number, since it uses less digits than its factorization.

816988341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20948435.

The product of its digits is 331776, while the sum is 48.

The square root of 816988341 is about 28583.0079067967. The cubic root of 816988341 is about 934.8428691119.

The spelling of 816988341 in words is "eight hundred sixteen million, nine hundred eighty-eight thousand, three hundred forty-one".