4062661 has 4 divisors (see below), whose sum is σ = 4129324. Its totient is φ = 3996000.

The previous prime is 4062659. The next prime is 4062671. The reversal of 4062661 is 1662604.

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 1454436 + 2608225 = 1206^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 4062661 - 2¹ = 4062659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4062631) 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, 33240 + ... + 33361.

It is an arithmetic number, because the mean of its divisors is an integer number (1032331).

Almost surely, 2^4062661 is an apocalyptic number.

It is an amenable number.

4062661 is a deficient number, since it is larger than the sum of its proper divisors (66663).

4062661 is an equidigital number, since it uses as much as digits as its factorization.

4062661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66662.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4062661 is about 2015.6043758635. The cubic root of 4062661 is about 159.5647153066.

The spelling of 4062661 in words is "four million, sixty-two thousand, six hundred sixty-one".