16386884 has 6 divisors (see below), whose sum is σ = 28677054. Its totient is φ = 8193440.

The previous prime is 16386883. The next prime is 16386907. The reversal of 16386884 is 48868361.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 386884 = 4000^2 + 622^2 .

It is not an unprimeable number, because it can be changed into a prime (16386883) 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, 2048357 + ... + 2048364.

It is an arithmetic number, because the mean of its divisors is an integer number (4779509).

Almost surely, 2^16386884 is an apocalyptic number.

It is an amenable number.

16386884 is a deficient number, since it is larger than the sum of its proper divisors (12290170).

16386884 is a wasteful number, since it uses less digits than its factorization.

16386884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096725 (or 4096723 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 16386884 is about 4048.0716396823. The cubic root of 16386884 is about 253.9990699947. Note that the first 3 decimals are identical.

It can be divided in two parts, 16 and 386884, that multiplied together give a square (6190144 = 2488²).

The spelling of 16386884 in words is "sixteen million, three hundred eighty-six thousand, eight hundred eighty-four".