1408538 has 4 divisors (see below), whose sum is σ = 2112810. Its totient is φ = 704268.

The previous prime is 1408529. The next prime is 1408567. The reversal of 1408538 is 8358041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 779689 + 628849 = 883^2 + 793^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352133 + ... + 352136.

2^1408538 is an apocalyptic number.

1408538 is a deficient number, since it is larger than the sum of its proper divisors (704272).

1408538 is an equidigital number, since it uses as much as digits as its factorization.

1408538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704271.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1408538 is about 1186.8184359876. The cubic root of 1408538 is about 112.0958469496.

The spelling of 1408538 in words is "one million, four hundred eight thousand, five hundred thirty-eight".