1404371 has 2 divisors, whose sum is σ = 1404372. Its totient is φ = 1404370.

The previous prime is 1404367. The next prime is 1404391. The reversal of 1404371 is 1734041.

It is an a-pointer prime, because the next prime (1404391) can be obtained adding 1404371 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (1734041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1404371 - 2² = 1404367 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1404391) 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 as a sum of consecutive naturals, namely, 702185 + 702186.

It is an arithmetic number, because the mean of its divisors is an integer number (702186).

2^1404371 is an apocalyptic number.

1404371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404371 is an equidigital number, since it uses as much as digits as its factorization.

1404371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1404371 is about 1185.0616017744. The cubic root of 1404371 is about 111.9851968105.

The spelling of 1404371 in words is "one million, four hundred four thousand, three hundred seventy-one".