98521542 has 64 divisors (see below), whose sum is σ = 252887040. Its totient is φ = 27848448.

The previous prime is 98521529. The next prime is 98521547. The reversal of 98521542 is 24512589.

98521542 is a `hidden beast` number, since 98 + 5 + 21 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 98521497 and 98521506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98521547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35323 + ... + 38009.

It is an arithmetic number, because the mean of its divisors is an integer number (3951360).

Almost surely, 2^98521542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98521542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126443520).

98521542 is an abundant number, since it is smaller than the sum of its proper divisors (154365498).

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

98521542 is a wasteful number, since it uses less digits than its factorization.

98521542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2796 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 98521542 is about 9925.8018315902. The cubic root of 98521542 is about 461.8600520626.

The spelling of 98521542 in words is "ninety-eight million, five hundred twenty-one thousand, five hundred forty-two".