9249861 has 8 divisors (see below), whose sum is σ = 12378784. Its totient is φ = 6143760.

The previous prime is 9249847. The next prime is 9249871. The reversal of 9249861 is 1689429.

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

It is not a de Polignac number, because 9249861 - 2⁶ = 9249797 is a prime.

It is a Duffinian number.

9249861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9249871) 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, 4735 + ... + 6396.

It is an arithmetic number, because the mean of its divisors is an integer number (1547348).

Almost surely, 2^9249861 is an apocalyptic number.

It is an amenable number.

9249861 is a deficient number, since it is larger than the sum of its proper divisors (3128923).

9249861 is a wasteful number, since it uses less digits than its factorization.

9249861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411.

The product of its digits is 31104, while the sum is 39.

The square root of 9249861 is about 3041.3584136040. The cubic root of 9249861 is about 209.9157712099.

The spelling of 9249861 in words is "nine million, two hundred forty-nine thousand, eight hundred sixty-one".