4612661 has 4 divisors (see below), whose sum is σ = 4884012. Its totient is φ = 4341312.

The previous prime is 4612639. The next prime is 4612669. The reversal of 4612661 is 1662164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2907025 + 1705636 = 1705^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 4612661 - 2¹⁰ = 4611637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4612661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4612669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135650 + ... + 135683.

It is an arithmetic number, because the mean of its divisors is an integer number (1221003).

Almost surely, 2^4612661 is an apocalyptic number.

It is an amenable number.

4612661 is a deficient number, since it is larger than the sum of its proper divisors (271351).

4612661 is a wasteful number, since it uses less digits than its factorization.

4612661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271350.

The product of its digits is 1728, while the sum is 26.

The square root of 4612661 is about 2147.7106415902. The cubic root of 4612661 is about 166.4627938280.

The spelling of 4612661 in words is "four million, six hundred twelve thousand, six hundred sixty-one".