939678240 has 48 divisors (see below), whose sum is σ = 2959987968. Its totient is φ = 250580736.

The previous prime is 939678163. The next prime is 939678241. The reversal of 939678240 is 42876939.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 939678240.

It is not an unprimeable number, because it can be changed into a prime (939678241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978352 + ... + 979311.

It is an arithmetic number, because the mean of its divisors is an integer number (61666416).

Almost surely, 2^939678240 is an apocalyptic number.

It is an amenable number.

939678240 is an abundant number, since it is smaller than the sum of its proper divisors (2020309728).

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

939678240 is a wasteful number, since it uses less digits than its factorization.

939678240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957681 (or 1957673 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 939678240 is about 30654.1716573781. The cubic root of 939678240 is about 979.4743258800.

The spelling of 939678240 in words is "nine hundred thirty-nine million, six hundred seventy-eight thousand, two hundred forty".