93638242 has 4 divisors (see below), whose sum is σ = 140457366. Its totient is φ = 46819120.

The previous prime is 93638201. The next prime is 93638249. The reversal of 93638242 is 24283639.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24283639 = 3557 ⋅6827.

It can be written as a sum of positive squares in only one way, i.e., 57168721 + 36469521 = 7561^2 + 6039^2 .

It is not an unprimeable number, because it can be changed into a prime (93638249) 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, 23409559 + ... + 23409562.

Almost surely, 2^93638242 is an apocalyptic number.

93638242 is a deficient number, since it is larger than the sum of its proper divisors (46819124).

93638242 is a wasteful number, since it uses less digits than its factorization.

93638242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46819123.

The product of its digits is 62208, while the sum is 37.

The square root of 93638242 is about 9676.6854862603. The cubic root of 93638242 is about 454.0995628640.

The spelling of 93638242 in words is "ninety-three million, six hundred thirty-eight thousand, two hundred forty-two".