97639841 has 8 divisors (see below), whose sum is σ = 110685120. Its totient is φ = 85385232.

The previous prime is 97639793. The next prime is 97639847. The reversal of 97639841 is 14893679.

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

It is a cyclic number.

It is not a de Polignac number, because 97639841 - 2¹⁰ = 97638817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97639847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197405 + ... + 197898.

It is an arithmetic number, because the mean of its divisors is an integer number (13835640).

Almost surely, 2^97639841 is an apocalyptic number.

It is an amenable number.

97639841 is a deficient number, since it is larger than the sum of its proper divisors (13045279).

97639841 is a wasteful number, since it uses less digits than its factorization.

97639841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395335.

The product of its digits is 326592, while the sum is 47.

The square root of 97639841 is about 9881.2874161214. The cubic root of 97639841 is about 460.4781433422.

The spelling of 97639841 in words is "ninety-seven million, six hundred thirty-nine thousand, eight hundred forty-one".