97858 has 8 divisors (see below), whose sum is σ = 148428. Its totient is φ = 48384.

The previous prime is 97849. The next prime is 97859. The reversal of 97858 is 85879.

It can be written as a sum of positive squares in 2 ways, for example, as 71289 + 26569 = 267^2 + 163^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10 + ... + 442.

2⁹⁷⁸⁵⁸ is an apocalyptic number.

97858 is a deficient number, since it is larger than the sum of its proper divisors (50570).

97858 is a wasteful number, since it uses less digits than its factorization.

97858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 20160, while the sum is 37.

The square root of 97858 is about 312.8226334522. The cubic root of 97858 is about 46.0820840629.

The spelling of 97858 in words is "ninety-seven thousand, eight hundred fifty-eight".