16486340 has 24 divisors (see below), whose sum is σ = 37285080. Its totient is φ = 6087168.

The previous prime is 16486333. The next prime is 16486343. The reversal of 16486340 is 4368461.

It can be written as a sum of positive squares in 4 ways, for example, as 293764 + 16192576 = 542^2 + 4024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16486297 and 16486306.

It is not an unprimeable number, because it can be changed into a prime (16486343) 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, 31445 + ... + 31964.

It is an arithmetic number, because the mean of its divisors is an integer number (1553545).

Almost surely, 2^16486340 is an apocalyptic number.

16486340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16486340 is an abundant number, since it is smaller than the sum of its proper divisors (20798740).

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

16486340 is a wasteful number, since it uses less digits than its factorization.

16486340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63431 (or 63429 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 16486340 is about 4060.3374244021. The cubic root of 16486340 is about 254.5118946943.

The spelling of 16486340 in words is "sixteen million, four hundred eighty-six thousand, three hundred forty".