13898488 has 8 divisors (see below), whose sum is σ = 26059680. Its totient is φ = 6949240.

The previous prime is 13898483. The next prime is 13898491. The reversal of 13898488 is 88489831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13898488² = 386335937372288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13898483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868648 + ... + 868663.

It is an arithmetic number, because the mean of its divisors is an integer number (3257460).

Almost surely, 2^13898488 is an apocalyptic number.

It is an amenable number.

13898488 is a deficient number, since it is larger than the sum of its proper divisors (12161192).

13898488 is a wasteful number, since it uses less digits than its factorization.

13898488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737317 (or 1737313 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 13898488 is about 3728.0675959537. The cubic root of 13898488 is about 240.4302928872.

The spelling of 13898488 in words is "thirteen million, eight hundred ninety-eight thousand, four hundred eighty-eight".