968639140 has 24 divisors (see below), whose sum is σ = 2324734272. Its totient is φ = 332104800.

The previous prime is 968639137. The next prime is 968639149. The reversal of 968639140 is 41936869.

It is not an unprimeable number, because it can be changed into a prime (968639149) 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, 3459286 + ... + 3459565.

It is an arithmetic number, because the mean of its divisors is an integer number (96863928).

Almost surely, 2^968639140 is an apocalyptic number.

It is an amenable number.

968639140 is an abundant number, since it is smaller than the sum of its proper divisors (1356095132).

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

968639140 is a wasteful number, since it uses less digits than its factorization.

968639140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918867 (or 6918865 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 968639140 is about 31122.9680461231. The cubic root of 968639140 is about 989.4351571640.

The spelling of 968639140 in words is "nine hundred sixty-eight million, six hundred thirty-nine thousand, one hundred forty".