1404961 has 2 divisors, whose sum is σ = 1404962. Its totient is φ = 1404960.

The previous prime is 1404959. The next prime is 1404973. The reversal of 1404961 is 1694041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1380625 + 24336 = 1175^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404961 - 2¹ = 1404959 is a prime.

Together with 1404959, it forms a pair of twin primes.

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, 702480 + 702481.

It is an arithmetic number, because the mean of its divisors is an integer number (702481).

2^1404961 is an apocalyptic number.

It is an amenable number.

1404961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404961 is an equidigital number, since it uses as much as digits as its factorization.

1404961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1404961 is about 1185.3105078417. The cubic root of 1404961 is about 112.0008769064. Note that the first 3 decimals are identical.

The spelling of 1404961 in words is "one million, four hundred four thousand, nine hundred sixty-one".