1118634 has 32 divisors (see below), whose sum is σ = 2586816. Its totient is φ = 318720.

The previous prime is 1118629. The next prime is 1118653. The reversal of 1118634 is 4368111.

It is an Ulam number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624 + ... + 1620.

It is an arithmetic number, because the mean of its divisors is an integer number (80838).

2^1118634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1293408).

1118634 is an abundant number, since it is smaller than the sum of its proper divisors (1468182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118634 is a wasteful number, since it uses less digits than its factorization.

1118634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its digits is 576, while the sum is 24.

The square root of 1118634 is about 1057.6549531865. The cubic root of 1118634 is about 103.8076449387.

The spelling of 1118634 in words is "one million, one hundred eighteen thousand, six hundred thirty-four".