939081960 has 48 divisors (see below), whose sum is σ = 3052017540. Its totient is φ = 250421760.

The previous prime is 939081947. The next prime is 939081961. The reversal of 939081960 is 69180939.

It can be written as a sum of positive squares in 2 ways, for example, as 788823396 + 150258564 = 28086^2 + 12258^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (939081961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1303921 + ... + 1304640.

Almost surely, 2^939081960 is an apocalyptic number.

939081960 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

939081960 is an abundant number, since it is smaller than the sum of its proper divisors (2112935580).

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

939081960 is a wasteful number, since it uses less digits than its factorization.

939081960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608578 (or 2608571 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 939081960 is about 30644.4441946660. Note that the first 3 decimals coincide. The cubic root of 939081960 is about 979.2671044058.

The spelling of 939081960 in words is "nine hundred thirty-nine million, eighty-one thousand, nine hundred sixty".