14406890 has 8 divisors (see below), whose sum is σ = 25932420. Its totient is φ = 5762752.

The previous prime is 14406853. The next prime is 14406893. The reversal of 14406890 is 9860441.

It can be written as a sum of positive squares in 2 ways, for example, as 12313081 + 2093809 = 3509^2 + 1447^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14406893) 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, 720335 + ... + 720354.

Almost surely, 2^14406890 is an apocalyptic number.

14406890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14406890 is a deficient number, since it is larger than the sum of its proper divisors (11525530).

14406890 is a wasteful number, since it uses less digits than its factorization.

14406890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440696.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 14406890 is about 3795.6409208459. The cubic root of 14406890 is about 243.3268758321.

The spelling of 14406890 in words is "fourteen million, four hundred six thousand, eight hundred ninety".