16448340 has 24 divisors (see below), whose sum is σ = 46055520. Its totient is φ = 4386208.

The previous prime is 16448329. The next prime is 16448363. The reversal of 16448340 is 4384461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16448298 and 16448307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137010 + ... + 137129.

It is an arithmetic number, because the mean of its divisors is an integer number (1918980).

Almost surely, 2^16448340 is an apocalyptic number.

16448340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16448340 is an abundant number, since it is smaller than the sum of its proper divisors (29607180).

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

16448340 is a wasteful number, since it uses less digits than its factorization.

16448340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274151 (or 274149 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 16448340 is about 4055.6553107975. The cubic root of 16448340 is about 254.3161995061.

The spelling of 16448340 in words is "sixteen million, four hundred forty-eight thousand, three hundred forty".