982172814 has 64 divisors (see below), whose sum is σ = 2439413760. Its totient is φ = 257268960.

The previous prime is 982172813. The next prime is 982172819. The reversal of 982172814 is 418271289.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982172813) 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, 4887 + ... + 44589.

It is an arithmetic number, because the mean of its divisors is an integer number (38115840).

Almost surely, 2^982172814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 982172814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219706880).

982172814 is an abundant number, since it is smaller than the sum of its proper divisors (1457240946).

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

982172814 is a wasteful number, since it uses less digits than its factorization.

982172814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39765.

The product of its digits is 64512, while the sum is 42.

The square root of 982172814 is about 31339.6364688552. The cubic root of 982172814 is about 994.0219386624.

The spelling of 982172814 in words is "nine hundred eighty-two million, one hundred seventy-two thousand, eight hundred fourteen".