8140798 has 4 divisors (see below), whose sum is σ = 12211200. Its totient is φ = 4070398.

The previous prime is 8140771. The next prime is 8140829. The reversal of 8140798 is 8970418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8970418 = 2 ⋅4485209.

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 2035198 + ... + 2035201.

It is an arithmetic number, because the mean of its divisors is an integer number (3052800).

Almost surely, 2^8140798 is an apocalyptic number.

8140798 is a deficient number, since it is larger than the sum of its proper divisors (4070402).

8140798 is a wasteful number, since it uses less digits than its factorization.

8140798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070401.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 8140798 is about 2853.2083695377. The cubic root of 8140798 is about 201.1664998301.

The spelling of 8140798 in words is "eight million, one hundred forty thousand, seven hundred ninety-eight".