16397794 has 16 divisors (see below), whose sum is σ = 28328256. Its totient is φ = 6973200.

The previous prime is 16397767. The next prime is 16397803. The reversal of 16397794 is 49779361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637 + ... + 6304.

It is an arithmetic number, because the mean of its divisors is an integer number (1770516).

Almost surely, 2^16397794 is an apocalyptic number.

16397794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16397794 is a deficient number, since it is larger than the sum of its proper divisors (11930462).

16397794 is a wasteful number, since it uses less digits than its factorization.

16397794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081.

The product of its digits is 285768, while the sum is 46.

The square root of 16397794 is about 4049.4189706673. The cubic root of 16397794 is about 254.0554263485.

The spelling of 16397794 in words is "sixteen million, three hundred ninety-seven thousand, seven hundred ninety-four".