16310004 has 36 divisors (see below), whose sum is σ = 40435584. Its totient is φ = 5115776.

The previous prime is 16309973. The next prime is 16310009. The reversal of 16310004 is 40001361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16310009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117 + ... + 5819.

Almost surely, 2^16310004 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 16310004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20217792).

16310004 is an abundant number, since it is smaller than the sum of its proper divisors (24125580).

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

16310004 is a wasteful number, since it uses less digits than its factorization.

16310004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 16310004 is about 4038.5645964872. The cubic root of 16310004 is about 253.6012301453.

Adding to 16310004 its reverse (40001361), we get a palindrome (56311365).

The spelling of 16310004 in words is "sixteen million, three hundred ten thousand, four".