16947984 has 40 divisors (see below), whose sum is σ = 44407872. Its totient is φ = 5568640.

The previous prime is 16947971. The next prime is 16948007. The reversal of 16947984 is 48974961.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 922 + ... + 5894.

Almost surely, 2^16947984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16947984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22203936).

16947984 is an abundant number, since it is smaller than the sum of its proper divisors (27459888).

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

16947984 is a wasteful number, since it uses less digits than its factorization.

16947984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055 (or 5049 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 16947984 is about 4116.7929265388. The cubic root of 16947984 is about 256.8656405799.

The spelling of 16947984 in words is "sixteen million, nine hundred forty-seven thousand, nine hundred eighty-four".