1404919 has 2 divisors, whose sum is σ = 1404920. Its totient is φ = 1404918.

The previous prime is 1404911. The next prime is 1404937. The reversal of 1404919 is 9194041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1404919 - 2³ = 1404911 is a prime.

It is a super-2 number, since 2×1404919² = 3947594793122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702459 + 702460.

It is an arithmetic number, because the mean of its divisors is an integer number (702460).

2^1404919 is an apocalyptic number.

1404919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404919 is an equidigital number, since it uses as much as digits as its factorization.

1404919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1404919 is about 1185.2927908327. The cubic root of 1404919 is about 111.9997608413. Note that the first 3 decimals are identical.

The spelling of 1404919 in words is "one million, four hundred four thousand, nine hundred nineteen".