1945233 has 18 divisors (see below), whose sum is σ = 2921334. Its totient is φ = 1247232.

The previous prime is 1945199. The next prime is 1945243. The reversal of 1945233 is 3325491.

It can be written as a sum of positive squares in 3 ways, for example, as 898704 + 1046529 = 948^2 + 1023^2 .

It is not a de Polignac number, because 1945233 - 2⁶ = 1945169 is a prime.

1945233 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1945197 and 1945206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7441 + ... + 7697.

2^1945233 is an apocalyptic number.

It is an amenable number.

1945233 is a deficient number, since it is larger than the sum of its proper divisors (976101).

1945233 is a wasteful number, since it uses less digits than its factorization.

1945233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 289 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1945233 is about 1394.7161001437. The cubic root of 1945233 is about 124.8314100550.

The spelling of 1945233 in words is "one million, nine hundred forty-five thousand, two hundred thirty-three".