180028098 has 24 divisors (see below), whose sum is σ = 402644736. Its totient is φ = 58073400.

The previous prime is 180028091. The next prime is 180028099. The reversal of 180028098 is 890820081.

It is not an unprimeable number, because it can be changed into a prime (180028091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160758 + ... + 161873.

It is an arithmetic number, because the mean of its divisors is an integer number (16776864).

Almost surely, 2^180028098 is an apocalyptic number.

180028098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

180028098 is an abundant number, since it is smaller than the sum of its proper divisors (222616638).

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

180028098 is a wasteful number, since it uses less digits than its factorization.

180028098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322670 (or 322667 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 180028098 is about 13417.4549747707. The cubic root of 180028098 is about 564.6509949449.

The spelling of 180028098 in words is "one hundred eighty million, twenty-eight thousand, ninety-eight".