16328406 has 8 divisors (see below), whose sum is σ = 32656824. Its totient is φ = 5442800.

The previous prime is 16328401. The next prime is 16328423. The reversal of 16328406 is 60482361.

It is a sphenic number, since it is the product of 3 distinct primes.

16328406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16328401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360695 + ... + 1360706.

It is an arithmetic number, because the mean of its divisors is an integer number (4082103).

Almost surely, 2^16328406 is an apocalyptic number.

16328406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16328406 is a wasteful number, since it uses less digits than its factorization.

16328406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721406.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 16328406 is about 4040.8422389398. The cubic root of 16328406 is about 253.6965707272.

The spelling of 16328406 in words is "sixteen million, three hundred twenty-eight thousand, four hundred six".