97573938 has 32 divisors (see below), whose sum is σ = 243302400. Its totient is φ = 25343760.

The previous prime is 97573937. The next prime is 97573939. The reversal of 97573938 is 83937579.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97573937) and next prime (97573939).

It is not an unprimeable number, because it can be changed into a prime (97573933) 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 in 15 ways as a sum of consecutive naturals, for example, 105138 + ... + 106061.

It is an arithmetic number, because the mean of its divisors is an integer number (7603200).

Almost surely, 2^97573938 is an apocalyptic number.

97573938 is an abundant number, since it is smaller than the sum of its proper divisors (145728462).

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

97573938 is a wasteful number, since it uses less digits than its factorization.

97573938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211222.

The product of its digits is 1428840, while the sum is 51.

The square root of 97573938 is about 9877.9521156969. The cubic root of 97573938 is about 460.3745185617.

It can be divided in two parts, 9757 and 3938, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 97573938 in words is "ninety-seven million, five hundred seventy-three thousand, nine hundred thirty-eight".