16943454 has 48 divisors (see below), whose sum is σ = 40569984. Its totient is φ = 5067600.

The previous prime is 16943449. The next prime is 16943461. The reversal of 16943454 is 45434961.

16943454 is a `hidden beast` number, since 169 + 43 + 454 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15919 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (845208).

Almost surely, 2^16943454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16943454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20284992).

16943454 is an abundant number, since it is smaller than the sum of its proper divisors (23626530).

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

16943454 is a wasteful number, since it uses less digits than its factorization.

16943454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1130 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 16943454 is about 4116.2427042146. The cubic root of 16943454 is about 256.8427528028.

The spelling of 16943454 in words is "sixteen million, nine hundred forty-three thousand, four hundred fifty-four".