98880642 has 64 divisors (see below), whose sum is σ = 252149760. Its totient is φ = 28136592.

The previous prime is 98880631. The next prime is 98880647. The reversal of 98880642 is 24608889.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (98880647) 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, 144433 + ... + 145115.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^98880642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98880642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126074880).

98880642 is an abundant number, since it is smaller than the sum of its proper divisors (153269118).

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

98880642 is a wasteful number, since it uses less digits than its factorization.

98880642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 98880642 is about 9943.8745969567. The cubic root of 98880642 is about 462.4205144144.

The spelling of 98880642 in words is "ninety-eight million, eight hundred eighty thousand, six hundred forty-two".