16469388 has 54 divisors (see below), whose sum is σ = 45096324. Its totient is φ = 5065632.

The previous prime is 16469381. The next prime is 16469407. The reversal of 16469388 is 88396461.

It is not an unprimeable number, because it can be changed into a prime (16469381) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4731 + ... + 7437.

Almost surely, 2^16469388 is an apocalyptic number.

16469388 is a gapful number since it is divisible by the number (18) 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 16469388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22548162).

16469388 is an abundant number, since it is smaller than the sum of its proper divisors (28626936).

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

16469388 is a wasteful number, since it uses less digits than its factorization.

16469388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2725 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 16469388 is about 4058.2493762705. The cubic root of 16469388 is about 254.4246312332.

The spelling of 16469388 in words is "sixteen million, four hundred sixty-nine thousand, three hundred eighty-eight".