2504016 has 30 divisors (see below), whose sum is σ = 7008170. Its totient is φ = 834624.

The previous prime is 2504011. The next prime is 2504069. The reversal of 2504016 is 6104052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2250000 + 254016 = 1500^2 + 504^2 .

It is a super-2 number, since 2×2504016² = 12540192256512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2504016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8551 + ... + 8838.

2^2504016 is an apocalyptic number.

It is an amenable number.

2504016 is an abundant number, since it is smaller than the sum of its proper divisors (4504154).

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

2504016 is a wasteful number, since it uses less digits than its factorization.

2504016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17403 (or 17394 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2504016 is about 1582.4082911815. The cubic root of 2504016 is about 135.7935159576.

Adding to 2504016 its reverse (6104052), we get a palindrome (8608068).

The spelling of 2504016 in words is "two million, five hundred four thousand, sixteen".