83885646 has 96 divisors (see below), whose sum is σ = 200672640. Its totient is φ = 23170752.

The previous prime is 83885639. The next prime is 83885653. The reversal of 83885646 is 64658838.

It is an interprime number because it is at equal distance from previous prime (83885639) and next prime (83885653).

It is a junction number, because it is equal to n+sod(n) for n = 83885595 and 83885604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 783925 + ... + 784031.

It is an arithmetic number, because the mean of its divisors is an integer number (2090340).

Almost surely, 2^83885646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83885646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100336320).

83885646 is an abundant number, since it is smaller than the sum of its proper divisors (116786994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83885646 is a wasteful number, since it uses less digits than its factorization.

83885646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 167 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 83885646 is about 9158.9107430960. The cubic root of 83885646 is about 437.7530874147.

The spelling of 83885646 in words is "eighty-three million, eight hundred eighty-five thousand, six hundred forty-six".