1930216 has 16 divisors (see below), whose sum is σ = 3717540. Its totient is φ = 938880.

The previous prime is 1930199. The next prime is 1930219. The reversal of 1930216 is 6120391.

It can be written as a sum of positive squares in 2 ways, for example, as 1512900 + 417316 = 1230^2 + 646^2 .

It is not an unprimeable number, because it can be changed into a prime (1930219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2965 + ... + 3556.

2^1930216 is an apocalyptic number.

It is an amenable number.

1930216 is a deficient number, since it is larger than the sum of its proper divisors (1787324).

1930216 is a wasteful number, since it uses less digits than its factorization.

1930216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564 (or 6560 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1930216 is about 1389.3221368711. The cubic root of 1930216 is about 124.5093512973.

The spelling of 1930216 in words is "one million, nine hundred thirty thousand, two hundred sixteen".