83889946 has 16 divisors (see below), whose sum is σ = 144077760. Its totient is φ = 35886240.

The previous prime is 83889943. The next prime is 83890007. The reversal of 83889946 is 64998838.

It is not an unprimeable number, because it can be changed into a prime (83889941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2701 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (9004860).

Almost surely, 2^83889946 is an apocalyptic number.

83889946 is a deficient number, since it is larger than the sum of its proper divisors (60187814).

83889946 is a wasteful number, since it uses less digits than its factorization.

83889946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109.

The product of its digits is 2985984, while the sum is 55.

The square root of 83889946 is about 9159.1454841595. The cubic root of 83889946 is about 437.7605670659.

The spelling of 83889946 in words is "eighty-three million, eight hundred eighty-nine thousand, nine hundred forty-six".