1434457 has 2 divisors, whose sum is σ = 1434458. Its totient is φ = 1434456.

The previous prime is 1434451. The next prime is 1434469. The reversal of 1434457 is 7544341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1413721 + 20736 = 1189^2 + 144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1434451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717228 + 717229.

It is an arithmetic number, because the mean of its divisors is an integer number (717229).

2^1434457 is an apocalyptic number.

It is an amenable number.

1434457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434457 is an equidigital number, since it uses as much as digits as its factorization.

1434457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 1434457 is about 1197.6881898057. The cubic root of 1434457 is about 112.7792437456.

Adding to 1434457 its reverse (7544341), we get a palindrome (8978798).

It can be divided in two parts, 1434 and 457, that added together give a triangular number (1891 = T₆₁).

The spelling of 1434457 in words is "one million, four hundred thirty-four thousand, four hundred fifty-seven".