1118849 has 8 divisors (see below), whose sum is σ = 1186920. Its totient is φ = 1052800.

The previous prime is 1118837. The next prime is 1118851. The reversal of 1118849 is 9488111.

It can be written as a sum of positive squares in 4 ways, for example, as 37249 + 1081600 = 193^2 + 1040^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1118849 - 2¹² = 1114753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118809) 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, 719 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (148365).

2^1118849 is an apocalyptic number.

It is an amenable number.

1118849 is a deficient number, since it is larger than the sum of its proper divisors (68071).

1118849 is an equidigital number, since it uses as much as digits as its factorization.

1118849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 2304, while the sum is 32.

The square root of 1118849 is about 1057.7565882565. The cubic root of 1118849 is about 103.8142950774.

The spelling of 1118849 in words is "one million, one hundred eighteen thousand, eight hundred forty-nine".