10998001 has 6 divisors (see below), whose sum is σ = 12793650. Its totient is φ = 9426816.

The previous prime is 10997999. The next prime is 10998011. The reversal of 10998001 is 10089901.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 853776 = 3185^2 + 924^2 .

It is not a de Polignac number, because 10998001 - 2¹ = 10997999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10998011) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 112176 + ... + 112273.

It is an arithmetic number, because the mean of its divisors is an integer number (2132275).

Almost surely, 2^10998001 is an apocalyptic number.

It is an amenable number.

10998001 is a deficient number, since it is larger than the sum of its proper divisors (1795649).

10998001 is an equidigital number, since it uses as much as digits as its factorization.

10998001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224463 (or 224456 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 10998001 is about 3316.3234160739. The cubic root of 10998001 is about 222.3845363129.

The spelling of 10998001 in words is "ten million, nine hundred ninety-eight thousand, one".