1404938 has 4 divisors (see below), whose sum is σ = 2107410. Its totient is φ = 702468.

The previous prime is 1404937. The next prime is 1404959. The reversal of 1404938 is 8394041.

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., 727609 + 677329 = 853^2 + 823^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1404938.

It is not an unprimeable number, because it can be changed into a prime (1404937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351233 + ... + 351236.

2^1404938 is an apocalyptic number.

1404938 is a deficient number, since it is larger than the sum of its proper divisors (702472).

1404938 is an equidigital number, since it uses as much as digits as its factorization.

1404938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702471.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1404938 is about 1185.3008057029. The cubic root of 1404938 is about 112.0002657307. Note that the first 3 decimals are identical.

Adding to 1404938 its reverse (8394041), we get a palindrome (9798979).

The spelling of 1404938 in words is "one million, four hundred four thousand, nine hundred thirty-eight".