1498391 has 2 divisors, whose sum is σ = 1498392. Its totient is φ = 1498390.

The previous prime is 1498379. The next prime is 1498403. The reversal of 1498391 is 1938941.

It is a balanced prime because it is at equal distance from previous prime (1498379) and next prime (1498403).

It is a cyclic number.

It is not a de Polignac number, because 1498391 - 2⁶ = 1498327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1498351) 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, 749195 + 749196.

It is an arithmetic number, because the mean of its divisors is an integer number (749196).

2^1498391 is an apocalyptic number.

1498391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1498391 is an equidigital number, since it uses as much as digits as its factorization.

1498391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 1498391 is about 1224.0878236467. The cubic root of 1498391 is about 114.4304797182.

The spelling of 1498391 in words is "one million, four hundred ninety-eight thousand, three hundred ninety-one".