14439661 has 2 divisors, whose sum is σ = 14439662. Its totient is φ = 14439660.

The previous prime is 14439641. The next prime is 14439671. The reversal of 14439661 is 16693441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14402025 + 37636 = 3795^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 14439661 - 2⁷ = 14439533 is a prime.

It is equal to p₉₃₆₈₁₇ and since 14439661 and 936817 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14439641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7219830 + 7219831.

It is an arithmetic number, because the mean of its divisors is an integer number (7219831).

Almost surely, 2^14439661 is an apocalyptic number.

It is an amenable number.

14439661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14439661 is an equidigital number, since it uses as much as digits as its factorization.

14439661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 14439661 is about 3799.9553944750. The cubic root of 14439661 is about 243.5112326812.

The spelling of 14439661 in words is "fourteen million, four hundred thirty-nine thousand, six hundred sixty-one".