49098 has 24 divisors (see below), whose sum is σ = 114912. Its totient is φ = 13944.

The previous prime is 49081. The next prime is 49103. The reversal of 49098 is 89094.

It is a super-2 number, since 2×49098² = 4821227208, which contains 22 as substring.

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

It is a nialpdrome in base 15.

It is an unprimeable number.

49098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211 + ... + 377.

It is an arithmetic number, because the mean of its divisors is an integer number (4788).

2⁴⁹⁰⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57456).

49098 is an abundant number, since it is smaller than the sum of its proper divisors (65814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49098 is a wasteful number, since it uses less digits than its factorization.

49098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 49098 is about 221.5806850788. The cubic root of 49098 is about 36.6174362261.

The spelling of 49098 in words is "forty-nine thousand, ninety-eight".