1118406 has 16 divisors (see below), whose sum is σ = 2279664. Its totient is φ = 365664.

The previous prime is 1118393. The next prime is 1118419. The reversal of 1118406 is 6048111.

It is an interprime number because it is at equal distance from previous prime (1118393) and next prime (1118419).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (142479).

2^1118406 is an apocalyptic number.

1118406 is an abundant number, since it is smaller than the sum of its proper divisors (1161258).

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

1118406 is a wasteful number, since it uses less digits than its factorization.

1118406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1118406 is about 1057.5471620689. The cubic root of 1118406 is about 103.8005917675.

The spelling of 1118406 in words is "one million, one hundred eighteen thousand, four hundred six".