1109849 has 8 divisors (see below), whose sum is σ = 1216320. Its totient is φ = 1006416.

The previous prime is 1109839. The next prime is 1109851. The reversal of 1109849 is 9489011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109839) 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, 44 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (152040).

2^1109849 is an apocalyptic number.

It is an amenable number.

1109849 is a deficient number, since it is larger than the sum of its proper divisors (106471).

1109849 is a wasteful number, since it uses less digits than its factorization.

1109849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1109849 is about 1053.4937114193. The cubic root of 1109849 is about 103.5351852803.

The spelling of 1109849 in words is "one million, one hundred nine thousand, eight hundred forty-nine".