97618 has 4 divisors (see below), whose sum is σ = 146430. Its totient is φ = 48808.

The previous prime is 97613. The next prime is 97649. The reversal of 97618 is 81679.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 88209 + 9409 = 297^2 + 97^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 97618.

It is not an unprimeable number, because it can be changed into a prime (97613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24403 + ... + 24406.

2⁹⁷⁶¹⁸ is an apocalyptic number.

97618 is a deficient number, since it is larger than the sum of its proper divisors (48812).

97618 is a wasteful number, since it uses less digits than its factorization.

97618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48811.

The product of its digits is 3024, while the sum is 31.

The square root of 97618 is about 312.4387940061. The cubic root of 97618 is about 46.0443806085.

The spelling of 97618 in words is "ninety-seven thousand, six hundred eighteen".