98987258 has 4 divisors (see below), whose sum is σ = 148480890. Its totient is φ = 49493628.

The previous prime is 98987249. The next prime is 98987261. The reversal of 98987258 is 85278989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85278989 = 2897 ⋅29437.

It can be written as a sum of positive squares in only one way, i.e., 94731289 + 4255969 = 9733^2 + 2063^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24746813 + ... + 24746816.

Almost surely, 2^98987258 is an apocalyptic number.

98987258 is a deficient number, since it is larger than the sum of its proper divisors (49493632).

98987258 is a wasteful number, since it uses less digits than its factorization.

98987258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49493631.

The product of its digits is 2903040, while the sum is 56.

The square root of 98987258 is about 9949.2340408697. The cubic root of 98987258 is about 462.5866531575.

The spelling of 98987258 in words is "ninety-eight million, nine hundred eighty-seven thousand, two hundred fifty-eight".