14171890 has 8 divisors (see below), whose sum is σ = 25509420. Its totient is φ = 5668752.

The previous prime is 14171881. The next prime is 14171893. The reversal of 14171890 is 9817141.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 1190281 = 3603^2 + 1091^2 .

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

It is not an unprimeable number, because it can be changed into a prime (14171893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708585 + ... + 708604.

Almost surely, 2^14171890 is an apocalyptic number.

14171890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14171890 is a deficient number, since it is larger than the sum of its proper divisors (11337530).

14171890 is a wasteful number, since it uses less digits than its factorization.

14171890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417196.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 14171890 is about 3764.5570788607. The cubic root of 14171890 is about 241.9965962684.

The spelling of 14171890 in words is "fourteen million, one hundred seventy-one thousand, eight hundred ninety".