8998901 has 2 divisors, whose sum is σ = 8998902. Its totient is φ = 8998900.

The previous prime is 8998889. The next prime is 8998919. The reversal of 8998901 is 1098998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8994001 + 4900 = 2999^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 8998901 - 2¹⁴ = 8982517 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8998921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499450 + 4499451.

It is an arithmetic number, because the mean of its divisors is an integer number (4499451).

Almost surely, 2^8998901 is an apocalyptic number.

It is an amenable number.

8998901 is a deficient number, since it is larger than the sum of its proper divisors (1).

8998901 is an equidigital number, since it uses as much as digits as its factorization.

8998901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 8998901 is about 2999.8168277413. The cubic root of 8998901 is about 207.9999152490. Note that the first 4 decimals are identical.

The spelling of 8998901 in words is "eight million, nine hundred ninety-eight thousand, nine hundred one".