1492649 has 2 divisors, whose sum is σ = 1492650. Its totient is φ = 1492648.

The previous prime is 1492643. The next prime is 1492657. The reversal of 1492649 is 9462941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 135424 = 1165^2 + 368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1492649 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1492643) 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, 746324 + 746325.

It is an arithmetic number, because the mean of its divisors is an integer number (746325).

2^1492649 is an apocalyptic number.

It is an amenable number.

1492649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492649 is an equidigital number, since it uses as much as digits as its factorization.

1492649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 1492649 is about 1221.7401524056. The cubic root of 1492649 is about 114.2841225225.

The spelling of 1492649 in words is "one million, four hundred ninety-two thousand, six hundred forty-nine".