16393960 has 128 divisors (see below), whose sum is σ = 44323200. Its totient is φ = 5391360.

The previous prime is 16393957. The next prime is 16393969. The reversal of 16393960 is 6939361.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (16393969) 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 31 ways as a sum of consecutive naturals, for example, 309294 + ... + 309346.

It is an arithmetic number, because the mean of its divisors is an integer number (346275).

Almost surely, 2^16393960 is an apocalyptic number.

16393960 is a gapful number since it is divisible by the number (10) 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 16393960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22161600).

16393960 is an abundant number, since it is smaller than the sum of its proper divisors (27929240).

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

16393960 is a wasteful number, since it uses less digits than its factorization.

16393960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 16393960 is about 4048.9455417429. The cubic root of 16393960 is about 254.0356244079.

The spelling of 16393960 in words is "sixteen million, three hundred ninety-three thousand, nine hundred sixty".