16776394 has 8 divisors (see below), whose sum is σ = 25976448. Its totient is φ = 8117580.

The previous prime is 16776391. The next prime is 16776401. The reversal of 16776394 is 49367761.

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

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16776394.

It is not an unprimeable number, because it can be changed into a prime (16776391) 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, 135232 + ... + 135355.

It is an arithmetic number, because the mean of its divisors is an integer number (3247056).

Almost surely, 2^16776394 is an apocalyptic number.

16776394 is a deficient number, since it is larger than the sum of its proper divisors (9200054).

16776394 is a wasteful number, since it uses less digits than its factorization.

16776394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270620.

The product of its digits is 190512, while the sum is 43.

The square root of 16776394 is about 4095.8996569740. The cubic root of 16776394 is about 255.9958190235.

The spelling of 16776394 in words is "sixteen million, seven hundred seventy-six thousand, three hundred ninety-four".