1426489 has 2 divisors, whose sum is σ = 1426490. Its totient is φ = 1426488.

The previous prime is 1426471. The next prime is 1426499. The reversal of 1426489 is 9846241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1420864 + 5625 = 1192^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426489 - 2⁵ = 1426457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1426429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713244 + 713245.

It is an arithmetic number, because the mean of its divisors is an integer number (713245).

2^1426489 is an apocalyptic number.

It is an amenable number.

1426489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426489 is an equidigital number, since it uses as much as digits as its factorization.

1426489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 1426489 is about 1194.3571492648. The cubic root of 1426489 is about 112.5700370477.

The spelling of 1426489 in words is "one million, four hundred twenty-six thousand, four hundred eighty-nine".