1930633 has 2 divisors, whose sum is σ = 1930634. Its totient is φ = 1930632.

The previous prime is 1930627. The next prime is 1930667. The reversal of 1930633 is 3360391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1505529 + 425104 = 1227^2 + 652^2 .

It is an emirp because it is prime and its reverse (3360391) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1930633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1930598 and 1930607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965316 + 965317.

It is an arithmetic number, because the mean of its divisors is an integer number (965317).

2^1930633 is an apocalyptic number.

It is an amenable number.

1930633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930633 is an equidigital number, since it uses as much as digits as its factorization.

1930633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 1930633 is about 1389.4722019530. The cubic root of 1930633 is about 124.5183169020.

The spelling of 1930633 in words is "one million, nine hundred thirty thousand, six hundred thirty-three".