16394355 has 24 divisors (see below), whose sum is σ = 28632240. Its totient is φ = 8677440.

The previous prime is 16394353. The next prime is 16394387. The reversal of 16394355 is 55349361.

It is not a de Polignac number, because 16394355 - 2¹ = 16394353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16394351) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4945 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (1193010).

Almost surely, 2^16394355 is an apocalyptic number.

16394355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16394355 is a deficient number, since it is larger than the sum of its proper divisors (12237885).

16394355 is a wasteful number, since it uses less digits than its factorization.

16394355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2768 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 16394355 is about 4048.9943195811. The cubic root of 16394355 is about 254.0376646566.

The spelling of 16394355 in words is "sixteen million, three hundred ninety-four thousand, three hundred fifty-five".