1940293 has 2 divisors, whose sum is σ = 1940294. Its totient is φ = 1940292.

The previous prime is 1940269. The next prime is 1940327. The reversal of 1940293 is 3920491.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1397124 + 543169 = 1182^2 + 737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940293 - 2¹⁷ = 1809221 is a prime.

It is equal to p₁₄₄₈₂₉ and since 1940293 and 144829 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1940233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970146 + 970147.

It is an arithmetic number, because the mean of its divisors is an integer number (970147).

2^1940293 is an apocalyptic number.

It is an amenable number.

1940293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940293 is an equidigital number, since it uses as much as digits as its factorization.

1940293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1940293 is about 1392.9440046176. The cubic root of 1940293 is about 124.7256489593.

It can be divided in two parts, 19 and 40293, that multiplied together give a palindrome (765567).

The spelling of 1940293 in words is "one million, nine hundred forty thousand, two hundred ninety-three".