16709004 has 60 divisors (see below), whose sum is σ = 47052544. Its totient is φ = 5139936.

The previous prime is 16708987. The next prime is 16709023. The reversal of 16709004 is 40090761.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2229 + ... + 6195.

Almost surely, 2^16709004 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 16709004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23526272).

16709004 is an abundant number, since it is smaller than the sum of its proper divisors (30343540).

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

16709004 is a wasteful number, since it uses less digits than its factorization.

16709004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 16709004 is about 4087.6648590607. The cubic root of 16709004 is about 255.6525845656.

Adding to 16709004 its reverse (40090761), we get a palindrome (56799765).

The spelling of 16709004 in words is "sixteen million, seven hundred nine thousand, four".