82903968 has 288 divisors, whose sum is σ = 297198720. Its totient is φ = 21381120.

The previous prime is 82903967. The next prime is 82903981. The reversal of 82903968 is 86930928.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (82903967) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405123 + ... + 1405181.

It is an arithmetic number, because the mean of its divisors is an integer number (1031940).

Almost surely, 2^82903968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82903968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148599360).

82903968 is an abundant number, since it is smaller than the sum of its proper divisors (214294752).

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

82903968 is a wasteful number, since it uses less digits than its factorization.

82903968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 82903968 is about 9105.1616130632. The cubic root of 82903968 is about 436.0387699441.

The spelling of 82903968 in words is "eighty-two million, nine hundred three thousand, nine hundred sixty-eight".