16404074 has 8 divisors (see below), whose sum is σ = 24634368. Its totient is φ = 8192620.

The previous prime is 16404071. The next prime is 16404109. The reversal of 16404074 is 47040461.

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

It is not an unprimeable number, because it can be changed into a prime (16404071) 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, 2282 + ... + 6165.

It is an arithmetic number, because the mean of its divisors is an integer number (3079296).

Almost surely, 2^16404074 is an apocalyptic number.

16404074 is a deficient number, since it is larger than the sum of its proper divisors (8230294).

16404074 is an equidigital number, since it uses as much as digits as its factorization.

16404074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9420.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 16404074 is about 4050.1943163261. The cubic root of 16404074 is about 254.0878547846.

The spelling of 16404074 in words is "sixteen million, four hundred four thousand, seventy-four".