816098 has 4 divisors (see below), whose sum is σ = 1224150. Its totient is φ = 408048.

The previous prime is 816091. The next prime is 816103. The reversal of 816098 is 890618.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 573049 + 243049 = 757^2 + 493^2 .

It is not an unprimeable number, because it can be changed into a prime (816091) 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 as a sum of consecutive naturals, namely, 204023 + ... + 204026.

2⁸¹⁶⁰⁹⁸ is an apocalyptic number.

816098 is a deficient number, since it is larger than the sum of its proper divisors (408052).

816098 is a wasteful number, since it uses less digits than its factorization.

816098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408051.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 816098 is about 903.3814255341. The cubic root of 816098 is about 93.4503153341.

The spelling of 816098 in words is "eight hundred sixteen thousand, ninety-eight".