1493971 has 2 divisors, whose sum is σ = 1493972. Its totient is φ = 1493970.

The previous prime is 1493963. The next prime is 1493981. The reversal of 1493971 is 1793941.

It is a weak prime.

It is an emirp because it is prime and its reverse (1793941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1493971 - 2³ = 1493963 is a prime.

1493971 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1493981) 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, 746985 + 746986.

It is an arithmetic number, because the mean of its divisors is an integer number (746986).

2^1493971 is an apocalyptic number.

1493971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493971 is an equidigital number, since it uses as much as digits as its factorization.

1493971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 1493971 is about 1222.2810642401. The cubic root of 1493971 is about 114.3178520481.

The spelling of 1493971 in words is "one million, four hundred ninety-three thousand, nine hundred seventy-one".