98487240 has 64 divisors (see below), whose sum is σ = 297077760. Its totient is φ = 26119680.

The previous prime is 98487211. The next prime is 98487247. The reversal of 98487240 is 4278489.

It is a junction number, because it is equal to n+sod(n) for n = 98487192 and 98487201.

It is not an unprimeable number, because it can be changed into a prime (98487247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20772 + ... + 25068.

It is an arithmetic number, because the mean of its divisors is an integer number (4641840).

Almost surely, 2^98487240 is an apocalyptic number.

98487240 is the 5730-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98487240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148538880).

98487240 is an abundant number, since it is smaller than the sum of its proper divisors (198590520).

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

98487240 is a wasteful number, since it uses less digits than its factorization.

98487240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 98487240 is about 9924.0737603063. The cubic root of 98487240 is about 461.8064442858.

The spelling of 98487240 in words is "ninety-eight million, four hundred eighty-seven thousand, two hundred forty".