4561236 has 72 divisors (see below), whose sum is σ = 12678120. Its totient is φ = 1376256.

The previous prime is 4561217. The next prime is 4561237. The reversal of 4561236 is 6321654.

4561236 = T₁₈₈ + T₁₈₉ + ... + T₃₂₃.

4561236 is a `hidden beast` number, since 45 + 612 + 3 + 6 = 666.

4561236 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 2722500 + 1838736 = 1650^2 + 1356^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17620 + ... + 17876.

It is an arithmetic number, because the mean of its divisors is an integer number (176085).

Almost surely, 2^4561236 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 4561236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6339060).

4561236 is an abundant number, since it is smaller than the sum of its proper divisors (8116884).

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

4561236 is a wasteful number, since it uses less digits than its factorization.

4561236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 308 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 4561236 is about 2135.7050358137. The cubic root of 4561236 is about 165.8418680882.

The spelling of 4561236 in words is "four million, five hundred sixty-one thousand, two hundred thirty-six".