13861898 has 32 divisors (see below), whose sum is σ = 22560768. Its totient is φ = 6375600.

The previous prime is 13861889. The next prime is 13861901. The reversal of 13861898 is 89816831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195203 + ... + 195273.

It is an arithmetic number, because the mean of its divisors is an integer number (705024).

Almost surely, 2^13861898 is an apocalyptic number.

13861898 is a deficient number, since it is larger than the sum of its proper divisors (8698870).

13861898 is a wasteful number, since it uses less digits than its factorization.

13861898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its digits is 82944, while the sum is 44.

The square root of 13861898 is about 3723.1569937353. The cubic root of 13861898 is about 240.2191170176.

The spelling of 13861898 in words is "thirteen million, eight hundred sixty-one thousand, eight hundred ninety-eight".