8961998 has 8 divisors (see below), whose sum is σ = 13663560. Its totient is φ = 4407480.

The previous prime is 8961989. The next prime is 8962003. The reversal of 8961998 is 8991698.

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

It is a congruent number.

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, 36608 + ... + 36851.

It is an arithmetic number, because the mean of its divisors is an integer number (1707945).

Almost surely, 2^8961998 is an apocalyptic number.

8961998 is a deficient number, since it is larger than the sum of its proper divisors (4701562).

8961998 is a wasteful number, since it uses less digits than its factorization.

8961998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73522.

The product of its digits is 279936, while the sum is 50.

The square root of 8961998 is about 2993.6596332917. The cubic root of 8961998 is about 207.7152013243.

The spelling of 8961998 in words is "eight million, nine hundred sixty-one thousand, nine hundred ninety-eight".