866281098 has 64 divisors (see below), whose sum is σ = 1899792000. Its totient is φ = 262289664.

The previous prime is 866281093. The next prime is 866281109. The reversal of 866281098 is 890182668.

It is not an unprimeable number, because it can be changed into a prime (866281093) 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, 518208 + ... + 519876.

It is an arithmetic number, because the mean of its divisors is an integer number (29684250).

Almost surely, 2^866281098 is an apocalyptic number.

866281098 is an abundant number, since it is smaller than the sum of its proper divisors (1033510902).

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

866281098 is a wasteful number, since it uses less digits than its factorization.

866281098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 866281098 is about 29432.6536010602. The cubic root of 866281098 is about 953.2780930658.

The spelling of 866281098 in words is "eight hundred sixty-six million, two hundred eighty-one thousand, ninety-eight".