16234004 has 6 divisors (see below), whose sum is σ = 28409514. Its totient is φ = 8117000.

The previous prime is 16234003. The next prime is 16234007. The reversal of 16234004 is 40043261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15984004 + 250000 = 3998^2 + 500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16234003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2029247 + ... + 2029254.

It is an arithmetic number, because the mean of its divisors is an integer number (4734919).

Almost surely, 2^16234004 is an apocalyptic number.

It is an amenable number.

16234004 is a deficient number, since it is larger than the sum of its proper divisors (12175510).

16234004 is a wasteful number, since it uses less digits than its factorization.

16234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058505 (or 4058503 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 16234004 is about 4029.1443260325. The cubic root of 16234004 is about 253.2067134245.

Adding to 16234004 its reverse (40043261), we get a palindrome (56277265).

The spelling of 16234004 in words is "sixteen million, two hundred thirty-four thousand, four".