14421861 has 16 divisors (see below), whose sum is σ = 21424320. Its totient is φ = 9588240.

The previous prime is 14421857. The next prime is 14421871. The reversal of 14421861 is 16812441.

It is a happy number.

It is not a de Polignac number, because 14421861 - 2² = 14421857 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14421821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18271 + ... + 19043.

It is an arithmetic number, because the mean of its divisors is an integer number (1339020).

Almost surely, 2^14421861 is an apocalyptic number.

It is an amenable number.

14421861 is a deficient number, since it is larger than the sum of its proper divisors (7002459).

14421861 is an equidigital number, since it uses as much as digits as its factorization.

14421861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1467 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 14421861 is about 3797.6125394779. The cubic root of 14421861 is about 243.4111314801.

It can be divided in two parts, 14 and 421861, that added together give a cube (421875 = 75³).

The spelling of 14421861 in words is "fourteen million, four hundred twenty-one thousand, eight hundred sixty-one".