940660961 has 8 divisors (see below), whose sum is σ = 961196544. Its totient is φ = 920147200.

The previous prime is 940660943. The next prime is 940661009. The reversal of 940660961 is 169066049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-940660961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940660901) 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, 106241 + ... + 114753.

It is an arithmetic number, because the mean of its divisors is an integer number (120149568).

Almost surely, 2^940660961 is an apocalyptic number.

It is an amenable number.

940660961 is a deficient number, since it is larger than the sum of its proper divisors (20535583).

940660961 is a wasteful number, since it uses less digits than its factorization.

940660961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10911.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 940660961 is about 30670.1966247365. The cubic root of 940660961 is about 979.8156535799.

The spelling of 940660961 in words is "nine hundred forty million, six hundred sixty thousand, nine hundred sixty-one".