1492643 has 2 divisors, whose sum is σ = 1492644. Its totient is φ = 1492642.

The previous prime is 1492637. The next prime is 1492649. The reversal of 1492643 is 3462941.

It is a balanced prime because it is at equal distance from previous prime (1492637) and next prime (1492649).

It is a cyclic number.

It is not a de Polignac number, because 1492643 - 2⁴ = 1492627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1492649) 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, 746321 + 746322.

It is an arithmetic number, because the mean of its divisors is an integer number (746322).

2^1492643 is an apocalyptic number.

1492643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492643 is an equidigital number, since it uses as much as digits as its factorization.

1492643 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 1492643 is about 1221.7376968891. The cubic root of 1492643 is about 114.2839693930.

The spelling of 1492643 in words is "one million, four hundred ninety-two thousand, six hundred forty-three".