16489437 has 8 divisors (see below), whose sum is σ = 22314336. Its totient is φ = 10828752.

The previous prime is 16489423. The next prime is 16489441. The reversal of 16489437 is 73498461.

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

It is not a de Polignac number, because 16489437 - 2⁸ = 16489181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16489037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40818 + ... + 41219.

It is an arithmetic number, because the mean of its divisors is an integer number (2789292).

Almost surely, 2^16489437 is an apocalyptic number.

It is an amenable number.

16489437 is a deficient number, since it is larger than the sum of its proper divisors (5824899).

16489437 is an equidigital number, since it uses as much as digits as its factorization.

16489437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82107.

The product of its digits is 145152, while the sum is 42.

The square root of 16489437 is about 4060.7187787386. The cubic root of 16489437 is about 254.5278305941.

The spelling of 16489437 in words is "sixteen million, four hundred eighty-nine thousand, four hundred thirty-seven".