16383946 has 16 divisors (see below), whose sum is σ = 25581600. Its totient is φ = 7863408.

The previous prime is 16383931. The next prime is 16383949. The reversal of 16383946 is 64938361.

It is a junction number, because it is equal to n+sod(n) for n = 16383899 and 16383908.

It is not an unprimeable number, because it can be changed into a prime (16383949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (1598850).

Almost surely, 2^16383946 is an apocalyptic number.

16383946 is a deficient number, since it is larger than the sum of its proper divisors (9197654).

16383946 is a wasteful number, since it uses less digits than its factorization.

16383946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333.

The product of its digits is 93312, while the sum is 40.

The square root of 16383946 is about 4047.7087345806. The cubic root of 16383946 is about 253.9838892793.

It can be divided in two parts, 1638394 and 6, that added together give a square (1638400 = 1280²).

The spelling of 16383946 in words is "sixteen million, three hundred eighty-three thousand, nine hundred forty-six".