1916633 has 2 divisors, whose sum is σ = 1916634. Its totient is φ = 1916632.

The previous prime is 1916617. The next prime is 1916641. The reversal of 1916633 is 3366191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 635209 = 1132^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1916633 - 2⁴ = 1916617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1916596 and 1916605.

It is not a weakly prime, because it can be changed into another prime (1916653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958316 + 958317.

It is an arithmetic number, because the mean of its divisors is an integer number (958317).

2^1916633 is an apocalyptic number.

It is an amenable number.

1916633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916633 is an equidigital number, since it uses as much as digits as its factorization.

1916633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 1916633 is about 1384.4251514618. The cubic root of 1916633 is about 124.2166045896.

The spelling of 1916633 in words is "one million, nine hundred sixteen thousand, six hundred thirty-three".