19898124 has 24 divisors (see below), whose sum is σ = 46536000. Its totient is φ = 6617424.

The previous prime is 19898101. The next prime is 19898159. The reversal of 19898124 is 42189891.

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, 4327 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (1939000).

Almost surely, 2^19898124 is an apocalyptic number.

It is an amenable number.

19898124 is an abundant number, since it is smaller than the sum of its proper divisors (26637876).

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

19898124 is a wasteful number, since it uses less digits than its factorization.

19898124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829 (or 3827 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 19898124 is about 4460.7313301745. The cubic root of 19898124 is about 270.9800868617.

The spelling of 19898124 in words is "nineteen million, eight hundred ninety-eight thousand, one hundred twenty-four".