11485989 has 16 divisors (see below), whose sum is σ = 17121600. Its totient is φ = 7609968.

The previous prime is 11485979. The next prime is 11485997. The reversal of 11485989 is 98958411.

11485989 is a `hidden beast` number, since 11 + 48 + 598 + 9 = 666.

11485989 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11485989 - 2⁹ = 11485477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11485919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442 + ... + 5900.

It is an arithmetic number, because the mean of its divisors is an integer number (1070100).

Almost surely, 2^11485989 is an apocalyptic number.

It is an amenable number.

11485989 is a deficient number, since it is larger than the sum of its proper divisors (5635611).

11485989 is a wasteful number, since it uses less digits than its factorization.

11485989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2635 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 11485989 is about 3389.0985527128. The cubic root of 11485989 is about 225.6261668947.

The spelling of 11485989 in words is "eleven million, four hundred eighty-five thousand, nine hundred eighty-nine".