16383764 has 12 divisors (see below), whose sum is σ = 29371188. Its totient is φ = 7992000.

The previous prime is 16383749. The next prime is 16383781. The reversal of 16383764 is 46738361.

It can be written as a sum of positive squares in 2 ways, for example, as 8655364 + 7728400 = 2942^2 + 2780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49787 + ... + 50114.

It is an arithmetic number, because the mean of its divisors is an integer number (2447599).

Almost surely, 2^16383764 is an apocalyptic number.

It is an amenable number.

16383764 is a deficient number, since it is larger than the sum of its proper divisors (12987424).

16383764 is a wasteful number, since it uses less digits than its factorization.

16383764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99946 (or 99944 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 16383764 is about 4047.6862526634. The cubic root of 16383764 is about 253.9829488213.

The spelling of 16383764 in words is "sixteen million, three hundred eighty-three thousand, seven hundred sixty-four".