1429889 has 2 divisors, whose sum is σ = 1429890. Its totient is φ = 1429888.

The previous prime is 1429871. The next prime is 1429907. The reversal of 1429889 is 9889241.

It is a balanced prime because it is at equal distance from previous prime (1429871) and next prime (1429907).

It can be written as a sum of positive squares in only one way, i.e., 1420864 + 9025 = 1192^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429889 - 2⁸ = 1429633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1429829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714944 + 714945.

It is an arithmetic number, because the mean of its divisors is an integer number (714945).

2^1429889 is an apocalyptic number.

It is an amenable number.

1429889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429889 is an equidigital number, since it uses as much as digits as its factorization.

1429889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 1429889 is about 1195.7796619779. The cubic root of 1429889 is about 112.6594020191.

The spelling of 1429889 in words is "one million, four hundred twenty-nine thousand, eight hundred eighty-nine".