83790146 has 16 divisors (see below), whose sum is σ = 137256768. Its totient is φ = 38046000.

The previous prime is 83790121. The next prime is 83790169. The reversal of 83790146 is 64109738.

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, 31571 + ... + 34121.

It is an arithmetic number, because the mean of its divisors is an integer number (8578548).

Almost surely, 2^83790146 is an apocalyptic number.

83790146 is a deficient number, since it is larger than the sum of its proper divisors (53466622).

83790146 is a wasteful number, since it uses less digits than its factorization.

83790146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 83790146 is about 9153.6957563598. The cubic root of 83790146 is about 437.5869036617.

The spelling of 83790146 in words is "eighty-three million, seven hundred ninety thousand, one hundred forty-six".