16214388 has 12 divisors (see below), whose sum is σ = 37833600. Its totient is φ = 5404792.

The previous prime is 16214381. The next prime is 16214417. The reversal of 16214388 is 88341261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16214381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675588 + ... + 675611.

It is an arithmetic number, because the mean of its divisors is an integer number (3152800).

Almost surely, 2^16214388 is an apocalyptic number.

It is an amenable number.

16214388 is an abundant number, since it is smaller than the sum of its proper divisors (21619212).

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

16214388 is a wasteful number, since it uses less digits than its factorization.

16214388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351206 (or 1351204 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 16214388 is about 4026.7093264848. The cubic root of 16214388 is about 253.1046867406.

The spelling of 16214388 in words is "sixteen million, two hundred fourteen thousand, three hundred eighty-eight".