16280334 has 24 divisors (see below), whose sum is σ = 40313520. Its totient is φ = 4651488.

The previous prime is 16280323. The next prime is 16280353. The reversal of 16280334 is 43308261.

It is a happy number.

16280334 is a `hidden beast` number, since 1 + 628 + 0 + 3 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16280298 and 16280307.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 64479 + ... + 64730.

It is an arithmetic number, because the mean of its divisors is an integer number (1679730).

Almost surely, 2^16280334 is an apocalyptic number.

16280334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16280334 is an abundant number, since it is smaller than the sum of its proper divisors (24033186).

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

16280334 is a wasteful number, since it uses less digits than its factorization.

16280334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129224 (or 129221 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 16280334 is about 4034.8895895675. The cubic root of 16280334 is about 253.4473590262.

Adding to 16280334 its reverse (43308261), we get a palindrome (59588595).

The spelling of 16280334 in words is "sixteen million, two hundred eighty thousand, three hundred thirty-four".