98456181 has 4 divisors (see below), whose sum is σ = 131274912. Its totient is φ = 65637452.

The previous prime is 98456179. The next prime is 98456207. The reversal of 98456181 is 18165489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18165489 = 3 ⋅6055163.

It is a cyclic number.

It is not a de Polignac number, because 98456181 - 2¹ = 98456179 is a prime.

It is a super-2 number, since 2×98456181² = 19387239154209522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98456381) 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, 16409361 + ... + 16409366.

It is an arithmetic number, because the mean of its divisors is an integer number (32818728).

Almost surely, 2^98456181 is an apocalyptic number.

It is an amenable number.

98456181 is a deficient number, since it is larger than the sum of its proper divisors (32818731).

98456181 is a wasteful number, since it uses less digits than its factorization.

98456181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32818730.

The product of its digits is 69120, while the sum is 42.

The square root of 98456181 is about 9922.5088057406. The cubic root of 98456181 is about 461.7578939884.

The spelling of 98456181 in words is "ninety-eight million, four hundred fifty-six thousand, one hundred eighty-one".