9121849 has 8 divisors (see below), whose sum is σ = 10100448. Its totient is φ = 8168160.

The previous prime is 9121841. The next prime is 9121859. The reversal of 9121849 is 9481219.

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

It is not a de Polignac number, because 9121849 - 2³ = 9121841 is a prime.

It is a Duffinian number.

9121849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9121841) 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, 5452 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (1262556).

Almost surely, 2^9121849 is an apocalyptic number.

It is an amenable number.

9121849 is a deficient number, since it is larger than the sum of its proper divisors (978599).

9121849 is a wasteful number, since it uses less digits than its factorization.

9121849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455.

The product of its digits is 5184, while the sum is 34.

The square root of 9121849 is about 3020.2398911345. The cubic root of 9121849 is about 208.9429039032.

The spelling of 9121849 in words is "nine million, one hundred twenty-one thousand, eight hundred forty-nine".