1493693 has 2 divisors, whose sum is σ = 1493694. Its totient is φ = 1493692.

The previous prime is 1493683. The next prime is 1493717. The reversal of 1493693 is 3963941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1315609 + 178084 = 1147^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493693 - 2⁴ = 1493677 is a prime.

It is a super-2 number, since 2×1493693² = 4462237556498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493623) 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, 746846 + 746847.

It is an arithmetic number, because the mean of its divisors is an integer number (746847).

2^1493693 is an apocalyptic number.

It is an amenable number.

1493693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493693 is an equidigital number, since it uses as much as digits as its factorization.

1493693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 1493693 is about 1222.1673371515. The cubic root of 1493693 is about 114.3107608051.

The spelling of 1493693 in words is "one million, four hundred ninety-three thousand, six hundred ninety-three".