98581436 has 24 divisors (see below), whose sum is σ = 183780576. Its totient is φ = 46108160.

The previous prime is 98581433. The next prime is 98581447. The reversal of 98581436 is 63418589.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98581433) 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, 7016 + ... + 15696.

It is an arithmetic number, because the mean of its divisors is an integer number (7657524).

Almost surely, 2^98581436 is an apocalyptic number.

It is an amenable number.

98581436 is a deficient number, since it is larger than the sum of its proper divisors (85199140).

98581436 is a wasteful number, since it uses less digits than its factorization.

98581436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869 (or 8867 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 98581436 is about 9928.8184594140. The cubic root of 98581436 is about 461.9536256495.

The spelling of 98581436 in words is "ninety-eight million, five hundred eighty-one thousand, four hundred thirty-six".