16439741 has 4 divisors (see below), whose sum is σ = 16475712. Its totient is φ = 16403772.

The previous prime is 16439677. The next prime is 16439743. The reversal of 16439741 is 14793461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16439741 - 2⁶ = 16439677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16439743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17291 + ... + 18216.

It is an arithmetic number, because the mean of its divisors is an integer number (4118928).

Almost surely, 2^16439741 is an apocalyptic number.

It is an amenable number.

16439741 is a deficient number, since it is larger than the sum of its proper divisors (35971).

16439741 is an equidigital number, since it uses as much as digits as its factorization.

16439741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35970.

The product of its digits is 18144, while the sum is 35.

The square root of 16439741 is about 4054.5950475972. The cubic root of 16439741 is about 254.2718739348.

The spelling of 16439741 in words is "sixteen million, four hundred thirty-nine thousand, seven hundred forty-one".