98001540 has 288 divisors, whose sum is σ = 379631616. Its totient is φ = 19906560.

The previous prime is 98001539. The next prime is 98001557. The reversal of 98001540 is 4510089.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 507684 + ... + 507876.

Almost surely, 2^98001540 is an apocalyptic number.

98001540 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98001540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189815808).

98001540 is an abundant number, since it is smaller than the sum of its proper divisors (281630076).

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

98001540 is a wasteful number, since it uses less digits than its factorization.

98001540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 98001540 is about 9899.5727180520. The cubic root of 98001540 is about 461.0460441836.

The spelling of 98001540 in words is "ninety-eight million, one thousand, five hundred forty".