16386948 has 72 divisors (see below), whose sum is σ = 44885568. Its totient is φ = 5217696.

The previous prime is 16386919. The next prime is 16386989. The reversal of 16386948 is 84968361.

16386948 is a `hidden beast` number, since 1 + 638 + 6 + 9 + 4 + 8 = 666.

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 23 ways as a sum of consecutive naturals, for example, 21990 + ... + 22722.

Almost surely, 2^16386948 is an apocalyptic number.

16386948 is a gapful number since it is divisible by the number (18) 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 16386948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22442784).

16386948 is an abundant number, since it is smaller than the sum of its proper divisors (28498620).

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

16386948 is a wasteful number, since it uses less digits than its factorization.

16386948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 761 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 16386948 is about 4048.0795446730. The cubic root of 16386948 is about 253.9994006641. Note that the first 3 decimals are identical.

The spelling of 16386948 in words is "sixteen million, three hundred eighty-six thousand, nine hundred forty-eight".