98442381 has 8 divisors (see below), whose sum is σ = 131354080. Its totient is φ = 65579472.

The previous prime is 98442371. The next prime is 98442389. The reversal of 98442381 is 18324489.

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

It is not a de Polignac number, because 98442381 - 2⁶ = 98442317 is a prime.

It is a super-2 number, since 2×98442381² = 19381804753898322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98442389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7195 + ... + 15768.

It is an arithmetic number, because the mean of its divisors is an integer number (16419260).

Almost surely, 2^98442381 is an apocalyptic number.

It is an amenable number.

98442381 is a deficient number, since it is larger than the sum of its proper divisors (32911699).

98442381 is a wasteful number, since it uses less digits than its factorization.

98442381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24395.

The product of its digits is 55296, while the sum is 39.

The square root of 98442381 is about 9921.8133927221. The cubic root of 98442381 is about 461.7363190548.

It can be divided in two parts, 984 and 42381, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 98442381 in words is "ninety-eight million, four hundred forty-two thousand, three hundred eighty-one".