1434991 has 2 divisors, whose sum is σ = 1434992. Its totient is φ = 1434990.

The previous prime is 1434943. The next prime is 1434997. The reversal of 1434991 is 1994341.

It is a strong prime.

It is an emirp because it is prime and its reverse (1994341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1434991 - 2¹¹ = 1432943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717495 + 717496.

It is an arithmetic number, because the mean of its divisors is an integer number (717496).

2^1434991 is an apocalyptic number.

1434991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434991 is an equidigital number, since it uses as much as digits as its factorization.

1434991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 1434991 is about 1197.9110985378. The cubic root of 1434991 is about 112.7932366466.

The spelling of 1434991 in words is "one million, four hundred thirty-four thousand, nine hundred ninety-one".