940686049 has 8 divisors (see below), whose sum is σ = 947112840. Its totient is φ = 934281216.

The previous prime is 940686011. The next prime is 940686091.

940686049 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 143640225 + 797045824 = 11985^2 + 28232^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940686049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940696049) 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, 85537 + ... + 95905.

It is an arithmetic number, because the mean of its divisors is an integer number (118389105).

Almost surely, 2^940686049 is an apocalyptic number.

It is an amenable number.

940686049 is a deficient number, since it is larger than the sum of its proper divisors (6426791).

940686049 is a wasteful number, since it uses less digits than its factorization.

940686049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10979.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 940686049 is about 30670.6056184093. The cubic root of 940686049 is about 979.8243642623.

The spelling of 940686049 in words is "nine hundred forty million, six hundred eighty-six thousand, forty-nine".