8921098 has 4 divisors (see below), whose sum is σ = 13381650. Its totient is φ = 4460548.

The previous prime is 8921071. The next prime is 8921123. The reversal of 8921098 is 8901298.

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., 8838729 + 82369 = 2973^2 + 287^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2230273 + ... + 2230276.

Almost surely, 2^8921098 is an apocalyptic number.

8921098 is a deficient number, since it is larger than the sum of its proper divisors (4460552).

8921098 is a wasteful number, since it uses less digits than its factorization.

8921098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460551.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 8921098 is about 2986.8207177532. The cubic root of 8921098 is about 207.3987351241.

The spelling of 8921098 in words is "eight million, nine hundred twenty-one thousand, ninety-eight".