16279340 has 108 divisors (see below), whose sum is σ = 44375184. Its totient is φ = 4910400.

The previous prime is 16279313. The next prime is 16279363. The reversal of 16279340 is 4397261.

It is a junction number, because it is equal to n+sod(n) for n = 16279297 and 16279306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 525125 + ... + 525155.

Almost surely, 2^16279340 is an apocalyptic number.

16279340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16279340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22187592).

16279340 is an abundant number, since it is smaller than the sum of its proper divisors (28095844).

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

16279340 is a wasteful number, since it uses less digits than its factorization.

16279340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16279340 is about 4034.7664120739. The cubic root of 16279340 is about 253.4422008232.

The spelling of 16279340 in words is "sixteen million, two hundred seventy-nine thousand, three hundred forty".