816802354 has 8 divisors (see below), whose sum is σ = 1227328668. Its totient is φ = 407692800.

The previous prime is 816802333. The next prime is 816802379. The reversal of 816802354 is 453208618.

It is a happy number.

816802354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 722265625 + 94536729 = 26875^2 + 9723^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352747 + ... + 355054.

Almost surely, 2^816802354 is an apocalyptic number.

816802354 is a deficient number, since it is larger than the sum of its proper divisors (410526314).

816802354 is a wasteful number, since it uses less digits than its factorization.

816802354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708380.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 816802354 is about 28579.7542676630. The cubic root of 816802354 is about 934.7719248861.

The spelling of 816802354 in words is "eight hundred sixteen million, eight hundred two thousand, three hundred fifty-four".