1432649 has 2 divisors, whose sum is σ = 1432650. Its totient is φ = 1432648.

The previous prime is 1432637. The next prime is 1432667. The reversal of 1432649 is 9462341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 4624 = 1195^2 + 68^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1432649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1432679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716324 + 716325.

It is an arithmetic number, because the mean of its divisors is an integer number (716325).

2^1432649 is an apocalyptic number.

It is an amenable number.

1432649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432649 is an equidigital number, since it uses as much as digits as its factorization.

1432649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 1432649 is about 1196.9331643830. The cubic root of 1432649 is about 112.7318412324.

The spelling of 1432649 in words is "one million, four hundred thirty-two thousand, six hundred forty-nine".