1443401 has 2 divisors, whose sum is σ = 1443402. Its totient is φ = 1443400.

The previous prime is 1443397. The next prime is 1443427. The reversal of 1443401 is 1043441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 15376 = 1195^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443401 - 2² = 1443397 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1443401.

It is not a weakly prime, because it can be changed into another prime (1443461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721700 + 721701.

It is an arithmetic number, because the mean of its divisors is an integer number (721701).

2^1443401 is an apocalyptic number.

It is an amenable number.

1443401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443401 is an equidigital number, since it uses as much as digits as its factorization.

1443401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1443401 is about 1201.4162476011. The cubic root of 1443401 is about 113.0131553327.

Adding to 1443401 its reverse (1043441), we get a palindrome (2486842).

The spelling of 1443401 in words is "one million, four hundred forty-three thousand, four hundred one".