14021861 has 16 divisors (see below), whose sum is σ = 16485120. Its totient is φ = 11679360.

The previous prime is 14021857. The next prime is 14021873. The reversal of 14021861 is 16812041.

It is not a de Polignac number, because 14021861 - 2² = 14021857 is a prime.

It is a super-2 number, since 2×14021861² = 393225171806642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44075 + ... + 44391.

It is an arithmetic number, because the mean of its divisors is an integer number (1030320).

Almost surely, 2^14021861 is an apocalyptic number.

It is an amenable number.

14021861 is a deficient number, since it is larger than the sum of its proper divisors (2463259).

14021861 is an equidigital number, since it uses as much as digits as its factorization.

14021861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 14021861 is about 3744.5775462661. The cubic root of 14021861 is about 241.1396090833.

The spelling of 14021861 in words is "fourteen million, twenty-one thousand, eight hundred sixty-one".