97153938 has 64 divisors (see below), whose sum is σ = 254730240. Its totient is φ = 26859600.

The previous prime is 97153933. The next prime is 97153999. The reversal of 97153938 is 83935179.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97153893 and 97153902.

It is not an unprimeable number, because it can be changed into a prime (97153933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7573 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (3980160).

Almost surely, 2^97153938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97153938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127365120).

97153938 is an abundant number, since it is smaller than the sum of its proper divisors (157576302).

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

97153938 is a wasteful number, since it uses less digits than its factorization.

97153938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340 (or 8334 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 97153938 is about 9856.6697215642. The cubic root of 97153938 is about 459.7130188553.

The spelling of 97153938 in words is "ninety-seven million, one hundred fifty-three thousand, nine hundred thirty-eight".