16850004 has 24 divisors (see below), whose sum is σ = 39872448. Its totient is φ = 5537280.

The previous prime is 16850003. The next prime is 16850021. The reversal of 16850004 is 40005861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16850003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9037 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (1661352).

Almost surely, 2^16850004 is an apocalyptic number.

It is an amenable number.

16850004 is an abundant number, since it is smaller than the sum of its proper divisors (23022444).

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

16850004 is a wasteful number, since it uses less digits than its factorization.

16850004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19855 (or 19853 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 16850004 is about 4104.8756375803. The cubic root of 16850004 is about 256.3696848009.

Adding to 16850004 its reverse (40005861), we get a palindrome (56855865).

The spelling of 16850004 in words is "sixteen million, eight hundred fifty thousand, four".