16394394 has 16 divisors (see below), whose sum is σ = 32935968. Its totient is φ = 5440272.

The previous prime is 16394393. The next prime is 16394419. The reversal of 16394394 is 49349361.

16394394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16394393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4657 + ... + 7380.

It is an arithmetic number, because the mean of its divisors is an integer number (2058498).

Almost surely, 2^16394394 is an apocalyptic number.

16394394 is an abundant number, since it is smaller than the sum of its proper divisors (16541574).

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

16394394 is a wasteful number, since it uses less digits than its factorization.

16394394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12269.

The product of its digits is 69984, while the sum is 39.

The square root of 16394394 is about 4048.9991355889. Note that the first 3 decimals coincide. The cubic root of 16394394 is about 254.0378660971.

The spelling of 16394394 in words is "sixteen million, three hundred ninety-four thousand, three hundred ninety-four".