1408837 has 4 divisors (see below), whose sum is σ = 1411596. Its totient is φ = 1406080.

The previous prime is 1408829. The next prime is 1408843. The reversal of 1408837 is 7388041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7388041 = 53 ⋅139397.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 314721 = 1046^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1408837 - 2³ = 1408829 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

1408837 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1408799 and 1408808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (352899).

2^1408837 is an apocalyptic number.

It is an amenable number.

1408837 is a deficient number, since it is larger than the sum of its proper divisors (2759).

1408837 is an equidigital number, since it uses as much as digits as its factorization.

1408837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1408837 is about 1186.9443963388. The cubic root of 1408837 is about 112.1037781726.

The spelling of 1408837 in words is "one million, four hundred eight thousand, eight hundred thirty-seven".