94040641 has 4 divisors (see below), whose sum is σ = 94070484. Its totient is φ = 94010800.

The previous prime is 94040623. The next prime is 94040663. The reversal of 94040641 is 14604049.

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 35058241 + 58982400 = 5921^2 + 7680^2 .

It is a cyclic number.

It is not a de Polignac number, because 94040641 - 2⁹ = 94040129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94040621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9550 + ... + 16711.

It is an arithmetic number, because the mean of its divisors is an integer number (23517621).

Almost surely, 2^94040641 is an apocalyptic number.

It is an amenable number.

94040641 is a deficient number, since it is larger than the sum of its proper divisors (29843).

94040641 is a wasteful number, since it uses less digits than its factorization.

94040641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29842.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 94040641 is about 9697.4553878840. The cubic root of 94040641 is about 454.7491125815.

The spelling of 94040641 in words is "ninety-four million, forty thousand, six hundred forty-one".