19880098 has 16 divisors (see below), whose sum is σ = 34274880. Its totient is φ = 8471376.

The previous prime is 19880059. The next prime is 19880101. The reversal of 19880098 is 89008891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (2142180).

Almost surely, 2^19880098 is an apocalyptic number.

19880098 is a deficient number, since it is larger than the sum of its proper divisors (14394782).

19880098 is a wasteful number, since it uses less digits than its factorization.

19880098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 19880098 is about 4458.7103516600. The cubic root of 19880098 is about 270.8982338718.

The spelling of 19880098 in words is "nineteen million, eight hundred eighty thousand, ninety-eight".