1404402 has 8 divisors (see below), whose sum is σ = 2808816. Its totient is φ = 468132.

The previous prime is 1404397. The next prime is 1404419. The reversal of 1404402 is 2044041.

It is a sphenic number, since it is the product of 3 distinct primes.

1404402 is an admirable number.

It is an unprimeable number.

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, 117028 + ... + 117039.

It is an arithmetic number, because the mean of its divisors is an integer number (351102).

2^1404402 is an apocalyptic number.

1404402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1404402 is a wasteful number, since it uses less digits than its factorization.

1404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234072.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1404402 is about 1185.0746811910. The cubic root of 1404402 is about 111.9860207893.

Adding to 1404402 its reverse (2044041), we get a palindrome (3448443).

The spelling of 1404402 in words is "one million, four hundred four thousand, four hundred two".