9061389 has 10 divisors (see below), whose sum is σ = 13536270. Its totient is φ = 6040872.

The previous prime is 9061387. The next prime is 9061421. The reversal of 9061389 is 9831609.

It can be written as a sum of positive squares in only one way, i.e., 4588164 + 4473225 = 2142^2 + 2115^2 .

It is not a de Polignac number, because 9061389 - 2¹ = 9061387 is a prime.

9061389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9061387) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55854 + ... + 56015.

It is an arithmetic number, because the mean of its divisors is an integer number (1353627).

Almost surely, 2^9061389 is an apocalyptic number.

It is an amenable number.

9061389 is a deficient number, since it is larger than the sum of its proper divisors (4474881).

9061389 is a wasteful number, since it uses less digits than its factorization.

9061389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111881 (or 111872 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 9061389 is about 3010.2141119861. The cubic root of 9061389 is about 208.4802527750.

The spelling of 9061389 in words is "nine million, sixty-one thousand, three hundred eighty-nine".