1494739 has 2 divisors, whose sum is σ = 1494740. Its totient is φ = 1494738.

The previous prime is 1494719. The next prime is 1494743. The reversal of 1494739 is 9374941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1494739 - 2⁵ = 1494707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1494698 and 1494707.

It is not a weakly prime, because it can be changed into another prime (1494709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747369 + 747370.

It is an arithmetic number, because the mean of its divisors is an integer number (747370).

2^1494739 is an apocalyptic number.

1494739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494739 is an equidigital number, since it uses as much as digits as its factorization.

1494739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 1494739 is about 1222.5951905680. The cubic root of 1494739 is about 114.3374376738.

The spelling of 1494739 in words is "one million, four hundred ninety-four thousand, seven hundred thirty-nine".