980756238 has 144 divisors (see below), whose sum is σ = 2581863552. Its totient is φ = 241279200.

The previous prime is 980756221. The next prime is 980756239. The reversal of 980756238 is 832657089.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980756239) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20867131 + ... + 20867177.

It is an arithmetic number, because the mean of its divisors is an integer number (17929608).

Almost surely, 2^980756238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980756238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290931776).

980756238 is an abundant number, since it is smaller than the sum of its proper divisors (1601107314).

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

980756238 is a wasteful number, since it uses less digits than its factorization.

980756238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 980756238 is about 31317.0279241182. The cubic root of 980756238 is about 993.5438201106.

The spelling of 980756238 in words is "nine hundred eighty million, seven hundred fifty-six thousand, two hundred thirty-eight".