1940273 has 4 divisors (see below), whose sum is σ = 1945188. Its totient is φ = 1935360.

The previous prime is 1940269. The next prime is 1940293. The reversal of 1940273 is 3720491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 833569 + 1106704 = 913^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940273 - 2² = 1940269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (486297).

2^1940273 is an apocalyptic number.

It is an amenable number.

1940273 is a deficient number, since it is larger than the sum of its proper divisors (4915).

1940273 is an equidigital number, since it uses as much as digits as its factorization.

1940273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1940273 is about 1392.9368255596. The cubic root of 1940273 is about 124.7252204120.

The spelling of 1940273 in words is "one million, nine hundred forty thousand, two hundred seventy-three".