940654891 has 8 divisors (see below), whose sum is σ = 1031328000. Its totient is φ = 850841640.

The previous prime is 940654889. The next prime is 940654903. The reversal of 940654891 is 198456049.

It is a happy number.

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

It is not a de Polignac number, because 940654891 - 2¹ = 940654889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940654291) 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 7 ways as a sum of consecutive naturals, for example, 212671 + ... + 217048.

It is an arithmetic number, because the mean of its divisors is an integer number (128916000).

Almost surely, 2^940654891 is an apocalyptic number.

940654891 is a deficient number, since it is larger than the sum of its proper divisors (90673109).

940654891 is a wasteful number, since it uses less digits than its factorization.

940654891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429929.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 940654891 is about 30670.0976685761. The cubic root of 940654891 is about 979.8135460215.

The spelling of 940654891 in words is "nine hundred forty million, six hundred fifty-four thousand, eight hundred ninety-one".