16448538 has 32 divisors (see below), whose sum is σ = 34209792. Its totient is φ = 5266800.

The previous prime is 16448513. The next prime is 16448561. The reversal of 16448538 is 83584461.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16448496 and 16448505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35295 + ... + 35757.

It is an arithmetic number, because the mean of its divisors is an integer number (1069056).

Almost surely, 2^16448538 is an apocalyptic number.

16448538 is an abundant number, since it is smaller than the sum of its proper divisors (17761254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16448538 is a wasteful number, since it uses less digits than its factorization.

16448538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its digits is 92160, while the sum is 39.

The square root of 16448538 is about 4055.6797210825. The cubic root of 16448538 is about 254.3172199618.

The spelling of 16448538 in words is "sixteen million, four hundred forty-eight thousand, five hundred thirty-eight".