940671289 has 4 divisors (see below), whose sum is σ = 973108260. Its totient is φ = 908234320.

The previous prime is 940671271. The next prime is 940671317. The reversal of 940671289 is 982176049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 723610000 + 217061289 = 26900^2 + 14733^2 .

It is a cyclic number.

It is not a de Polignac number, because 940671289 - 2¹⁹ = 940147001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940671889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16218442 + ... + 16218499.

It is an arithmetic number, because the mean of its divisors is an integer number (243277065).

Almost surely, 2^940671289 is an apocalyptic number.

It is an amenable number.

940671289 is a deficient number, since it is larger than the sum of its proper divisors (32436971).

940671289 is a wasteful number, since it uses less digits than its factorization.

940671289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32436970.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 940671289 is about 30670.3649961979. The cubic root of 940671289 is about 979.8192395333.

The spelling of 940671289 in words is "nine hundred forty million, six hundred seventy-one thousand, two hundred eighty-nine".