6201689 has 8 divisors (see below), whose sum is σ = 6805512. Its totient is φ = 5616000.

The previous prime is 6201683. The next prime is 6201691. The reversal of 6201689 is 9861026.

It can be written as a sum of positive squares in 4 ways, for example, as 115600 + 6086089 = 340^2 + 2467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6201689 - 2¹⁶ = 6136153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6201683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3812 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (850689).

Almost surely, 2^6201689 is an apocalyptic number.

It is an amenable number.

6201689 is a deficient number, since it is larger than the sum of its proper divisors (603823).

6201689 is a wasteful number, since it uses less digits than its factorization.

6201689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6201689 is about 2490.3190558641. The cubic root of 6201689 is about 183.7257354542.

It can be divided in two parts, 6201 and 689, that multiplied together give a square (4272489 = 2067²).

The spelling of 6201689 in words is "six million, two hundred one thousand, six hundred eighty-nine".