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16374 = 232729

16374 has 8 divisors (see below), whose sum is σ = 32760. Its totient is φ = 5456.

The previous prime is 16369. The next prime is 16381. The reversal of 16374 is 47361.

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

16374 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 11.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 16374.

It is a congruent number.

It is an unprimeable number.

16374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (4095).

16374 is a Friedman number, since it can be written as 4^7-6-3-1, using all its digits and the basic arithmetic operations.

216374 is an apocalyptic number.

16374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16380).

16374 is a wasteful number, since it uses less digits than its factorization.

16374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734.

The product of its digits is 504, while the sum is 21.

The square root of 16374 is about 127.9609315377. The cubic root of 16374 is about 25.3932484587.

The spelling of 16374 in words is "sixteen thousand, three hundred seventy-four".

Divisors: 1 2 3 6 2729 5458 8187 16374