83966458 has 16 divisors (see below), whose sum is σ = 127771200. Its totient is φ = 41380416.

The previous prime is 83966447. The next prime is 83966461. The reversal of 83966458 is 85466938.

It is a happy number.

It is an unprimeable number.

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, 44041 + ... + 45907.

It is an arithmetic number, because the mean of its divisors is an integer number (7985700).

Almost surely, 2^83966458 is an apocalyptic number.

83966458 is a deficient number, since it is larger than the sum of its proper divisors (43804742).

83966458 is a wasteful number, since it uses less digits than its factorization.

83966458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181.

The product of its digits is 1244160, while the sum is 49.

The square root of 83966458 is about 9163.3213410859. The cubic root of 83966458 is about 437.8936134380.

The spelling of 83966458 in words is "eighty-three million, nine hundred sixty-six thousand, four hundred fifty-eight".