9249889 has 8 divisors (see below), whose sum is σ = 10363968. Its totient is φ = 8181360.

The previous prime is 9249881. The next prime is 9249893. The reversal of 9249889 is 9889429.

9249889 = 912² + 913² + ... + 922².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9249889 - 2³ = 9249881 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9249881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10957 + ... + 11770.

It is an arithmetic number, because the mean of its divisors is an integer number (1295496).

Almost surely, 2^9249889 is an apocalyptic number.

It is an amenable number.

9249889 is a deficient number, since it is larger than the sum of its proper divisors (1114079).

9249889 is a wasteful number, since it uses less digits than its factorization.

9249889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22775.

The product of its digits is 373248, while the sum is 49.

The square root of 9249889 is about 3041.3630168068. The cubic root of 9249889 is about 209.9159830198.

The spelling of 9249889 in words is "nine million, two hundred forty-nine thousand, eight hundred eighty-nine".