94747391 has 4 divisors (see below), whose sum is σ = 94768632. Its totient is φ = 94726152.

The previous prime is 94747381. The next prime is 94747397. The reversal of 94747391 is 19374749.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 94747391 - 2¹⁸ = 94485247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94747397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061 + ... + 13806.

It is an arithmetic number, because the mean of its divisors is an integer number (23692158).

Almost surely, 2^94747391 is an apocalyptic number.

94747391 is a deficient number, since it is larger than the sum of its proper divisors (21241).

94747391 is a wasteful number, since it uses less digits than its factorization.

94747391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21240.

The product of its digits is 190512, while the sum is 44.

The square root of 94747391 is about 9733.8271507152. The cubic root of 94747391 is about 455.8854728669.

The spelling of 94747391 in words is "ninety-four million, seven hundred forty-seven thousand, three hundred ninety-one".