15873984 has 168 divisors, whose sum is σ = 54099968. Its totient is φ = 4354560.

The previous prime is 15873973. The next prime is 15874007. The reversal of 15873984 is 48937851.

15873984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124929 + ... + 125055.

Almost surely, 2^15873984 is an apocalyptic number.

15873984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15873984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27049984).

15873984 is an abundant number, since it is smaller than the sum of its proper divisors (38225984).

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

15873984 is a wasteful number, since it uses less digits than its factorization.

15873984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 170 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 15873984 is about 3984.2168615677. The cubic root of 15873984 is about 251.3209230239.

It can be divided in two parts, 15 and 873984, that multiplied together give a triangular number (13109760 = T₅₁₂₀).

The spelling of 15873984 in words is "fifteen million, eight hundred seventy-three thousand, nine hundred eighty-four".