10494989 has 4 divisors (see below), whose sum is σ = 10667100. Its totient is φ = 10322880.

The previous prime is 10494983. The next prime is 10495003. The reversal of 10494989 is 98949401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98949401 = 17 ⋅5820553.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 6325225 = 2042^2 + 2515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10494989 is a prime.

It is a super-2 number, since 2×10494989² = 220289588220242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10494983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85964 + ... + 86085.

It is an arithmetic number, because the mean of its divisors is an integer number (2666775).

Almost surely, 2^10494989 is an apocalyptic number.

It is an amenable number.

10494989 is a deficient number, since it is larger than the sum of its proper divisors (172111).

10494989 is an equidigital number, since it uses as much as digits as its factorization.

10494989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172110.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 10494989 is about 3239.5970428434. The cubic root of 10494989 is about 218.9411168953.

The spelling of 10494989 in words is "ten million, four hundred ninety-four thousand, nine hundred eighty-nine".