1006739 has 2 divisors, whose sum is σ = 1006740. Its totient is φ = 1006738.

The previous prime is 1006721. The next prime is 1006751. The reversal of 1006739 is 9376001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9376001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1006769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503369 + 503370.

It is an arithmetic number, because the mean of its divisors is an integer number (503370).

2^1006739 is an apocalyptic number.

1006739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006739 is an equidigital number, since it uses as much as digits as its factorization.

1006739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 1006739 is about 1003.3638422825. The cubic root of 1006739 is about 100.2241306127.

The spelling of 1006739 in words is "one million, six thousand, seven hundred thirty-nine".