1493973 has 18 divisors (see below), whose sum is σ = 2344706. Its totient is φ = 911232.

The previous prime is 1493971. The next prime is 1493981. The reversal of 1493973 is 3793941.

It can be written as a sum of positive squares in 3 ways, for example, as 288369 + 1205604 = 537^2 + 1098^2 .

It is not a de Polignac number, because 1493973 - 2¹ = 1493971 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493971) 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 in 17 ways as a sum of consecutive naturals, for example, 13165 + ... + 13277.

2^1493973 is an apocalyptic number.

1493973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1493973 is a deficient number, since it is larger than the sum of its proper divisors (850733).

1493973 is a wasteful number, since it uses less digits than its factorization.

1493973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 129 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 1493973 is about 1222.2818823823. The cubic root of 1493973 is about 114.3179030611.

Subtracting 1493973 from its reverse (3793941), we obtain a cube (2299968 = 132³).

The spelling of 1493973 in words is "one million, four hundred ninety-three thousand, nine hundred seventy-three".