16894004 has 6 divisors (see below), whose sum is σ = 29564514. Its totient is φ = 8447000.

The previous prime is 16893991. The next prime is 16894013. The reversal of 16894004 is 40049861.

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 67600 = 4102^2 + 260^2 .

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, 2111747 + ... + 2111754.

It is an arithmetic number, because the mean of its divisors is an integer number (4927419).

Almost surely, 2^16894004 is an apocalyptic number.

It is an amenable number.

16894004 is a deficient number, since it is larger than the sum of its proper divisors (12670510).

16894004 is a wasteful number, since it uses less digits than its factorization.

16894004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223505 (or 4223503 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 16894004 is about 4110.2316236436. The cubic root of 16894004 is about 256.5926414586.

The spelling of 16894004 in words is "sixteen million, eight hundred ninety-four thousand, four".