939646940 has 24 divisors (see below), whose sum is σ = 1977234000. Its totient is φ = 375101568.

The previous prime is 939646937. The next prime is 939646943. The reversal of 939646940 is 49646939.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (939646937) and next prime (939646943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939646943) 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, 37097 + ... + 57056.

It is an arithmetic number, because the mean of its divisors is an integer number (82384750).

Almost surely, 2^939646940 is an apocalyptic number.

It is an amenable number.

939646940 is an abundant number, since it is smaller than the sum of its proper divisors (1037587060).

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

939646940 is a wasteful number, since it uses less digits than its factorization.

939646940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94661 (or 94659 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 939646940 is about 30653.6611190246. The cubic root of 939646940 is about 979.4634505663.

The spelling of 939646940 in words is "nine hundred thirty-nine million, six hundred forty-six thousand, nine hundred forty".