16427933 has 8 divisors (see below), whose sum is σ = 17723448. Its totient is φ = 15169024.

The previous prime is 16427897. The next prime is 16427981. The reversal of 16427933 is 33972461.

It can be written as a sum of positive squares in 4 ways, for example, as 7198489 + 9229444 = 2683^2 + 3038^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16427933 - 2⁶ = 16427869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16427893 and 16427902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16427233) 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, 8216 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (2215431).

Almost surely, 2^16427933 is an apocalyptic number.

It is an amenable number.

16427933 is a deficient number, since it is larger than the sum of its proper divisors (1295515).

16427933 is a wasteful number, since it uses less digits than its factorization.

16427933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18303.

The product of its digits is 27216, while the sum is 35.

The square root of 16427933 is about 4053.1386603471. The cubic root of 16427933 is about 254.2109816248.

The spelling of 16427933 in words is "sixteen million, four hundred twenty-seven thousand, nine hundred thirty-three".