16869456 has 60 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 5440320.

The previous prime is 16869451. The next prime is 16869467. The reversal of 16869456 is 65496861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16869451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2575 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 2^16869456 is an apocalyptic number.

16869456 is a gapful number since it is divisible by the number (16) 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 16869456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24373440).

16869456 is an abundant number, since it is smaller than the sum of its proper divisors (31877424).

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

16869456 is a wasteful number, since it uses less digits than its factorization.

16869456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824 (or 3815 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 16869456 is about 4107.2443316657. The cubic root of 16869456 is about 256.4682997200.

The spelling of 16869456 in words is "sixteen million, eight hundred sixty-nine thousand, four hundred fifty-six".