1830857452 has 12 divisors (see below), whose sum is σ = 3204564496. Its totient is φ = 915267600.

The previous prime is 1830857437. The next prime is 1830857453. The reversal of 1830857452 is 2547580381.

It is a junction number, because it is equal to n+sod(n) for n = 1830857399 and 1830857408.

It is not an unprimeable number, because it can be changed into a prime (1830857453) 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, 12603 + ... + 61810.

Almost surely, 2^1830857452 is an apocalyptic number.

It is an amenable number.

1830857452 is a deficient number, since it is larger than the sum of its proper divisors (1373707044).

1830857452 is a wasteful number, since it uses less digits than its factorization.

1830857452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80568 (or 80566 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 1830857452 is about 42788.5200959323. The cubic root of 1830857452 is about 1223.3522094825.

The spelling of 1830857452 in words is "one billion, eight hundred thirty million, eight hundred fifty-seven thousand, four hundred fifty-two".