4561650 has 96 divisors (see below), whose sum is σ = 13094400. Its totient is φ = 1166400.

The previous prime is 4561639. The next prime is 4561651. The reversal of 4561650 is 561654.

It is a happy number.

4561650 is a `hidden beast` number, since 4 + 5 + 6 + 1 + 650 = 666.

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

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

It is not an unprimeable number, because it can be changed into a prime (4561651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41796 + ... + 41904.

It is an arithmetic number, because the mean of its divisors is an integer number (136400).

Almost surely, 2^4561650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4561650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6547200).

4561650 is an abundant number, since it is smaller than the sum of its proper divisors (8532750).

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

4561650 is a wasteful number, since it uses less digits than its factorization.

4561650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4561650 is about 2135.8019571112. The cubic root of 4561650 is about 165.8468854750.

The spelling of 4561650 in words is "four million, five hundred sixty-one thousand, six hundred fifty".