83190946 has 16 divisors (see below), whose sum is σ = 128583288. Its totient is φ = 40348800.

The previous prime is 83190941. The next prime is 83190959. The reversal of 83190946 is 64909138.

It can be written as a sum of positive squares in 4 ways, for example, as 43362225 + 39828721 = 6585^2 + 6311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83190899 and 83190908.

It is not an unprimeable number, because it can be changed into a prime (83190941) 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 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 13576.

It is a vampire number, since it can be written as 8906 ⋅ 9341 (with its own digits).

Almost surely, 2^83190946 is an apocalyptic number.

83190946 is a deficient number, since it is larger than the sum of its proper divisors (45392342).

83190946 is a wasteful number, since it uses less digits than its factorization.

83190946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9477.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 83190946 is about 9120.9070820834. The cubic root of 83190946 is about 436.5413169590.

The spelling of 83190946 in words is "eighty-three million, one hundred ninety thousand, nine hundred forty-six".