97958018 has 16 divisors (see below), whose sum is σ = 151380600. Its totient is φ = 47506176.

The previous prime is 97958017. The next prime is 97958039. The reversal of 97958018 is 81085979.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93450889 + 4507129 = 9667^2 + 2123^2 .

It is not an unprimeable number, because it can be changed into a prime (97958017) 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 7 ways as a sum of consecutive naturals, for example, 23930 + ... + 27722.

Almost surely, 2^97958018 is an apocalyptic number.

97958018 is a deficient number, since it is larger than the sum of its proper divisors (53422582).

97958018 is a wasteful number, since it uses less digits than its factorization.

97958018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 97958018 is about 9897.3742982672. The cubic root of 97958018 is about 460.9777846542.

The spelling of 97958018 in words is "ninety-seven million, nine hundred fifty-eight thousand, eighteen".