7963898 has 8 divisors (see below), whose sum is σ = 12080340. Its totient is φ = 3937120.

The previous prime is 7963873. The next prime is 7963909. The reversal of 7963898 is 8983697.

It can be written as a sum of positive squares in 2 ways, for example, as 5938969 + 2024929 = 2437^2 + 1423^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22193 + ... + 22548.

Almost surely, 2^7963898 is an apocalyptic number.

7963898 is a deficient number, since it is larger than the sum of its proper divisors (4116442).

7963898 is a wasteful number, since it uses less digits than its factorization.

7963898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44832.

The product of its digits is 653184, while the sum is 50.

The square root of 7963898 is about 2822.0379161166. The cubic root of 7963898 is about 199.6986963084.

The spelling of 7963898 in words is "seven million, nine hundred sixty-three thousand, eight hundred ninety-eight".