8620061 has 4 divisors (see below), whose sum is σ = 8642172. Its totient is φ = 8597952.

The previous prime is 8620049. The next prime is 8620063. The reversal of 8620061 is 1600268.

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 3976036 + 4644025 = 1994^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 8620061 - 2⁶ = 8619997 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 (8620063) 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, 10460 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (2160543).

Almost surely, 2^8620061 is an apocalyptic number.

It is an amenable number.

8620061 is a deficient number, since it is larger than the sum of its proper divisors (22111).

8620061 is a wasteful number, since it uses less digits than its factorization.

8620061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 8620061 is about 2935.9940395035. The cubic root of 8620061 is about 205.0391438240.

The spelling of 8620061 in words is "eight million, six hundred twenty thousand, sixty-one".