10998445 has 4 divisors (see below), whose sum is σ = 13198140. Its totient is φ = 8798752.

The previous prime is 10998437. The next prime is 10998461. The reversal of 10998445 is 54489901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8678916 + 2319529 = 2946^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 10998445 - 2³ = 10998437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10998398 and 10998407.

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, 1099840 + ... + 1099849.

It is an arithmetic number, because the mean of its divisors is an integer number (3299535).

Almost surely, 2^10998445 is an apocalyptic number.

It is an amenable number.

10998445 is a deficient number, since it is larger than the sum of its proper divisors (2199695).

10998445 is an equidigital number, since it uses as much as digits as its factorization.

10998445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199694.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 10998445 is about 3316.3903569996. The cubic root of 10998445 is about 222.3875288993.

The spelling of 10998445 in words is "ten million, nine hundred ninety-eight thousand, four hundred forty-five".