13845984 has 48 divisors (see below), whose sum is σ = 38263680. Its totient is φ = 4371840.

The previous prime is 13845971. The next prime is 13845991. The reversal of 13845984 is 48954831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×13845984² = 383422545856512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1972 + ... + 5619.

It is an arithmetic number, because the mean of its divisors is an integer number (797160).

Almost surely, 2^13845984 is an apocalyptic number.

It is an amenable number.

13845984 is an abundant number, since it is smaller than the sum of its proper divisors (24417696).

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

13845984 is a wasteful number, since it uses less digits than its factorization.

13845984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623 (or 7615 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 13845984 is about 3721.0192152151. The cubic root of 13845984 is about 240.1271548422.

The spelling of 13845984 in words is "thirteen million, eight hundred forty-five thousand, nine hundred eighty-four".