1414388 has 24 divisors (see below), whose sum is σ = 2608200. Its totient is φ = 670208.

The previous prime is 1414381. The next prime is 1414393. The reversal of 1414388 is 8834141.

It can be written as a sum of positive squares in 4 ways, for example, as 110224 + 1304164 = 332^2 + 1142^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1414388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1414381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10256 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (108675).

2^1414388 is an apocalyptic number.

It is an amenable number.

1414388 is a deficient number, since it is larger than the sum of its proper divisors (1193812).

1414388 is a wasteful number, since it uses less digits than its factorization.

1414388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 1414388 is about 1189.2804547288. The cubic root of 1414388 is about 112.2508196824.

The spelling of 1414388 in words is "one million, four hundred fourteen thousand, three hundred eighty-eight".