97442238 has 32 divisors (see below), whose sum is σ = 206622720. Its totient is φ = 30581280.

The previous prime is 97442227. The next prime is 97442239. The reversal of 97442238 is 83224479.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 97442196 and 97442205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97442239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198 + ... + 13961.

It is an arithmetic number, because the mean of its divisors is an integer number (6456960).

Almost surely, 2^97442238 is an apocalyptic number.

97442238 is an abundant number, since it is smaller than the sum of its proper divisors (109180482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97442238 is a wasteful number, since it uses less digits than its factorization.

97442238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232.

The product of its digits is 96768, while the sum is 39.

The square root of 97442238 is about 9871.2835031722. The cubic root of 97442238 is about 460.1672957972.

The spelling of 97442238 in words is "ninety-seven million, four hundred forty-two thousand, two hundred thirty-eight".