1418436 has 54 divisors (see below), whose sum is σ = 3795246. Its totient is φ = 446400.

The previous prime is 1418423. The next prime is 1418447. The reversal of 1418436 is 6348141.

It can be written as a sum of positive squares in only one way, i.e., 864900 + 553536 = 930^2 + 744^2 .

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34576 + ... + 34616.

2^1418436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1418436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897623).

1418436 is an abundant number, since it is smaller than the sum of its proper divisors (2376810).

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

1418436 is a wasteful number, since it uses less digits than its factorization.

1418436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 77 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1418436 is about 1190.9811081625. The cubic root of 1418436 is about 112.3578055341.

The spelling of 1418436 in words is "one million, four hundred eighteen thousand, four hundred thirty-six".