97804158 has 32 divisors (see below), whose sum is σ = 198640512. Its totient is φ = 32100000.

The previous prime is 97804151. The next prime is 97804183. The reversal of 97804158 is 85140879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97804151) 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, 151785 + ... + 152427.

It is an arithmetic number, because the mean of its divisors is an integer number (6207516).

Almost surely, 2^97804158 is an apocalyptic number.

97804158 is an abundant number, since it is smaller than the sum of its proper divisors (100836354).

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

97804158 is a wasteful number, since it uses less digits than its factorization.

97804158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 97804158 is about 9889.5984751657. The cubic root of 97804158 is about 460.7363097526.

The spelling of 97804158 in words is "ninety-seven million, eight hundred four thousand, one hundred fifty-eight".