11492989 has 2 divisors, whose sum is σ = 11492990. Its totient is φ = 11492988.

The previous prime is 11492981. The next prime is 11493011. The reversal of 11492989 is 98929411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9504889 + 1988100 = 3083^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 11492989 - 2³ = 11492981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11492981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5746494 + 5746495.

It is an arithmetic number, because the mean of its divisors is an integer number (5746495).

Almost surely, 2^11492989 is an apocalyptic number.

It is an amenable number.

11492989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11492989 is an equidigital number, since it uses as much as digits as its factorization.

11492989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The square root of 11492989 is about 3390.1311184083. The cubic root of 11492989 is about 225.6719926519.

The spelling of 11492989 in words is "eleven million, four hundred ninety-two thousand, nine hundred eighty-nine".