16849404 has 96 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 4708800.

The previous prime is 16849403. The next prime is 16849411. The reversal of 16849404 is 40494861.

It is a happy number.

16849404 is a `hidden beast` number, since 168 + 494 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16849403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14899 + ... + 15989.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

Almost surely, 2^16849404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16849404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25683840).

16849404 is an abundant number, since it is smaller than the sum of its proper divisors (34518276).

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

16849404 is a wasteful number, since it uses less digits than its factorization.

16849404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 16849404 is about 4104.8025531078. The cubic root of 16849404 is about 256.3666418019.

The spelling of 16849404 in words is "sixteen million, eight hundred forty-nine thousand, four hundred four".