1930273 has 4 divisors (see below), whose sum is σ = 1945600. Its totient is φ = 1914948.

The previous prime is 1930261. The next prime is 1930289. The reversal of 1930273 is 3720391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1930273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930073) 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, 7473 + ... + 7726.

It is an arithmetic number, because the mean of its divisors is an integer number (486400).

2^1930273 is an apocalyptic number.

It is an amenable number.

1930273 is a deficient number, since it is larger than the sum of its proper divisors (15327).

1930273 is a wasteful number, since it uses less digits than its factorization.

1930273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15326.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1930273 is about 1389.3426503206. The cubic root of 1930273 is about 124.5105768878.

The spelling of 1930273 in words is "one million, nine hundred thirty thousand, two hundred seventy-three".