16273983 has 16 divisors (see below), whose sum is σ = 23821056. Its totient is φ = 9800640.

The previous prime is 16273979. The next prime is 16273993. The reversal of 16273983 is 38937261.

It is not a de Polignac number, because 16273983 - 2² = 16273979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4035 + ... + 6987.

It is an arithmetic number, because the mean of its divisors is an integer number (1488816).

Almost surely, 2^16273983 is an apocalyptic number.

16273983 is a deficient number, since it is larger than the sum of its proper divisors (7547073).

16273983 is a wasteful number, since it uses less digits than its factorization.

16273983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

The product of its digits is 54432, while the sum is 39.

The square root of 16273983 is about 4034.1025024161. The cubic root of 16273983 is about 253.4143979184.

Subtracting 16273983 from its reverse (38937261), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 16273983 in words is "sixteen million, two hundred seventy-three thousand, nine hundred eighty-three".