1492993 has 2 divisors, whose sum is σ = 1492994. Its totient is φ = 1492992.

The previous prime is 1492969. The next prime is 1493027. The reversal of 1492993 is 3992941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 506944 = 993^2 + 712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1492993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1492943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a Pierpont prime, being equal to 2¹¹ ⋅ 3⁶ + 1.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746496 + 746497.

It is an arithmetic number, because the mean of its divisors is an integer number (746497).

It is a Proth number, since it is equal to 729 ⋅ 2¹¹ + 1 and 729 < 2¹¹.

2^1492993 is an apocalyptic number.

It is an amenable number.

1492993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492993 is an equidigital number, since it uses as much as digits as its factorization.

1492993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 1492993 is about 1221.8809270956. The cubic root of 1492993 is about 114.2929012593.

It can be divided in two parts, 1492 and 993, that added together give a triangular number (2485 = T₇₀).

The spelling of 1492993 in words is "one million, four hundred ninety-two thousand, nine hundred ninety-three".