98149 has 4 divisors (see below), whose sum is σ = 99820. Its totient is φ = 96480.

The previous prime is 98143. The next prime is 98179. The reversal of 98149 is 94189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94189 = 131 ⋅719.

It can be written as a sum of positive squares in 2 ways, for example, as 50625 + 47524 = 225^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 98149 - 2¹⁵ = 65381 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 98149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98143) 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, 744 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (24955).

2⁹⁸¹⁴⁹ is an apocalyptic number.

It is an amenable number.

98149 is a deficient number, since it is larger than the sum of its proper divisors (1671).

98149 is a wasteful number, since it uses less digits than its factorization.

98149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its digits is 2592, while the sum is 31.

The square root of 98149 is about 313.2874079819. The cubic root of 98149 is about 46.1277169053.

The spelling of 98149 in words is "ninety-eight thousand, one hundred forty-nine".