16874001 has 20 divisors (see below), whose sum is σ = 25826724. Its totient is φ = 10972800.

The previous prime is 16873999. The next prime is 16874021. The reversal of 16874001 is 10047861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1476225 + 15397776 = 1215^2 + 3924^2 .

It is not a de Polignac number, because 16874001 - 2¹ = 16873999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16874021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 781 + ... + 5861.

Almost surely, 2^16874001 is an apocalyptic number.

It is an amenable number.

16874001 is a deficient number, since it is larger than the sum of its proper divisors (8952723).

16874001 is an equidigital number, since it uses as much as digits as its factorization.

16874001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134 (or 5125 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16874001 is about 4107.7975850813. The cubic root of 16874001 is about 256.4913303728.

It can be divided in two parts, 1687400 and 1, that added together give a square (1687401 = 1299²).

The spelling of 16874001 in words is "sixteen million, eight hundred seventy-four thousand, one".