16927894 has 4 divisors (see below), whose sum is σ = 25391844. Its totient is φ = 8463946.

The previous prime is 16927873. The next prime is 16927913. The reversal of 16927894 is 49872961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49872961 = 1949 ⋅25589.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231972 + ... + 4231975.

It is an arithmetic number, because the mean of its divisors is an integer number (6347961).

Almost surely, 2^16927894 is an apocalyptic number.

16927894 is a deficient number, since it is larger than the sum of its proper divisors (8463950).

16927894 is an equidigital number, since it uses as much as digits as its factorization.

16927894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463949.

The product of its digits is 217728, while the sum is 46.

The square root of 16927894 is about 4114.3521968835. The cubic root of 16927894 is about 256.7641049812.

The spelling of 16927894 in words is "sixteen million, nine hundred twenty-seven thousand, eight hundred ninety-four".