4155516 has 48 divisors (see below), whose sum is σ = 10903200. Its totient is φ = 1368576.

The previous prime is 4155511. The next prime is 4155517. The reversal of 4155516 is 6155514.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4155516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11596 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (227150).

Almost surely, 2^4155516 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 4155516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5451600).

4155516 is an abundant number, since it is smaller than the sum of its proper divisors (6747684).

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

4155516 is a wasteful number, since it uses less digits than its factorization.

4155516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 467 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 4155516 is about 2038.5082781289. The cubic root of 4155516 is about 160.7712245234.

The spelling of 4155516 in words is "four million, one hundred fifty-five thousand, five hundred sixteen".