1934993 has 2 divisors, whose sum is σ = 1934994. Its totient is φ = 1934992.

The previous prime is 1934987. The next prime is 1935007. The reversal of 1934993 is 3994391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1181569 + 753424 = 1087^2 + 868^2 .

It is an emirp because it is prime and its reverse (3994391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1934993 - 2¹⁸ = 1672849 is a prime.

It is a super-3 number, since 3×1934993³ = 21734990239678333971, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1934983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967496 + 967497.

It is an arithmetic number, because the mean of its divisors is an integer number (967497).

2^1934993 is an apocalyptic number.

It is an amenable number.

1934993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934993 is an equidigital number, since it uses as much as digits as its factorization.

1934993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 38.

The square root of 1934993 is about 1391.0402582240. The cubic root of 1934993 is about 124.6119807749.

The spelling of 1934993 in words is "one million, nine hundred thirty-four thousand, nine hundred ninety-three".