82238970 has 64 divisors (see below), whose sum is σ = 222289920. Its totient is φ = 19291200.

The previous prime is 82238969. The next prime is 82238971. The reversal of 82238970 is 7983228.

It is an interprime number because it is at equal distance from previous prime (82238969) and next prime (82238971).

It is not an unprimeable number, because it can be changed into a prime (82238971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6211 + ... + 14249.

It is an arithmetic number, because the mean of its divisors is an integer number (3473280).

Almost surely, 2^82238970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82238970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111144960).

82238970 is an abundant number, since it is smaller than the sum of its proper divisors (140050950).

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

82238970 is a wasteful number, since it uses less digits than its factorization.

82238970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 82238970 is about 9068.5704496354. The cubic root of 82238970 is about 434.8697720884.

The spelling of 82238970 in words is "eighty-two million, two hundred thirty-eight thousand, nine hundred seventy".