16394364 has 72 divisors (see below), whose sum is σ = 48117888. Its totient is φ = 4609440.

The previous prime is 16394353. The next prime is 16394387. The reversal of 16394364 is 46349361.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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, 16399 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (668304).

Almost surely, 2^16394364 is an apocalyptic number.

16394364 is a gapful number since it is divisible by the number (14) 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 16394364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24058944).

16394364 is an abundant number, since it is smaller than the sum of its proper divisors (31723524).

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

16394364 is a wasteful number, since it uses less digits than its factorization.

16394364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1050 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 16394364 is about 4048.9954309680. The cubic root of 16394364 is about 254.0377111429.

The spelling of 16394364 in words is "sixteen million, three hundred ninety-four thousand, three hundred sixty-four".