94497842 has 4 divisors (see below), whose sum is σ = 141746766. Its totient is φ = 47248920.

The previous prime is 94497839. The next prime is 94497847. The reversal of 94497842 is 24879449.

It is a Cunningham number, because it is equal to 9721²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 94497841 + 1 = 9721^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (94497847) 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 as a sum of consecutive naturals, namely, 23624459 + ... + 23624462.

Almost surely, 2^94497842 is an apocalyptic number.

94497842 is a deficient number, since it is larger than the sum of its proper divisors (47248924).

94497842 is a wasteful number, since it uses less digits than its factorization.

94497842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47248923.

The product of its digits is 580608, while the sum is 47.

The square root of 94497842 is about 9721.0000514350. Note that the first 4 decimals coincide. The cubic root of 94497842 is about 455.4848785809.

The spelling of 94497842 in words is "ninety-four million, four hundred ninety-seven thousand, eight hundred forty-two".