1830946 has 12 divisors (see below), whose sum is σ = 2974482. Its totient is φ = 844896.

The previous prime is 1830943. The next prime is 1830967. The reversal of 1830946 is 6490381.

It can be written as a sum of positive squares in 3 ways, for example, as 483025 + 1347921 = 695^2 + 1161^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1830943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2371 + ... + 3046.

2^1830946 is an apocalyptic number.

1830946 is a deficient number, since it is larger than the sum of its proper divisors (1143536).

1830946 is a wasteful number, since it uses less digits than its factorization.

1830946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445 (or 5432 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1830946 is about 1353.1245323325. The cubic root of 1830946 is about 122.3371931325.

The spelling of 1830946 in words is "one million, eight hundred thirty thousand, nine hundred forty-six".