98181954 has 48 divisors (see below), whose sum is σ = 230173944. Its totient is φ = 30067200.

The previous prime is 98181901. The next prime is 98181961. The reversal of 98181954 is 45918189.

It can be written as a sum of positive squares in 4 ways, for example, as 44555625 + 53626329 = 6675^2 + 7323^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55524 + ... + 57264.

Almost surely, 2^98181954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98181954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115086972).

98181954 is an abundant number, since it is smaller than the sum of its proper divisors (131991990).

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

98181954 is a wasteful number, since it uses less digits than its factorization.

98181954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 2000 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 98181954 is about 9908.6807396343. The cubic root of 98181954 is about 461.3287886208.

The spelling of 98181954 in words is "ninety-eight million, one hundred eighty-one thousand, nine hundred fifty-four".