982597770 has 256 divisors, whose sum is σ = 3298959360. Its totient is φ = 202176000.

The previous prime is 982597769. The next prime is 982597771. The reversal of 982597770 is 77795289.

It is an interprime number because it is at equal distance from previous prime (982597769) and next prime (982597771).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (982597771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3139134 + ... + 3139446.

It is an arithmetic number, because the mean of its divisors is an integer number (12886560).

Almost surely, 2^982597770 is an apocalyptic number.

982597770 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 982597770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649479680).

982597770 is an abundant number, since it is smaller than the sum of its proper divisors (2316361590).

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

982597770 is a wasteful number, since it uses less digits than its factorization.

982597770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The square root of 982597770 is about 31346.4155845609. The cubic root of 982597770 is about 994.1652789088.

The spelling of 982597770 in words is "nine hundred eighty-two million, five hundred ninety-seven thousand, seven hundred seventy".