98906 has 8 divisors (see below), whose sum is σ = 157140. Its totient is φ = 46528.

The previous prime is 98899. The next prime is 98909. The reversal of 98906 is 60989.

Added to its reverse (60989) it gives a triangular number (159895 = T₅₆₅).

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87025 + 11881 = 295^2 + 109^2 .

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

It is not an unprimeable number, because it can be changed into a prime (98909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421 + ... + 1488.

2⁹⁸⁹⁰⁶ is an apocalyptic number.

98906 is a deficient number, since it is larger than the sum of its proper divisors (58234).

98906 is a wasteful number, since it uses less digits than its factorization.

98906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 98906 is about 314.4932431707. The cubic root of 98906 is about 46.2460040375.

Adding to 98906 its reverse (60989), we get a triangular number (159895 = T₅₆₅).

It can be divided in two parts, 9890 and 6, that multiplied together give a triangular number (59340 = T₃₄₄).

The spelling of 98906 in words is "ninety-eight thousand, nine hundred six".