6206691 has 4 divisors (see below), whose sum is σ = 8275592. Its totient is φ = 4137792.

The previous prime is 6206653. The next prime is 6206693. The reversal of 6206691 is 1966026.

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

It is a de Polignac number, because none of the positive numbers 2^k-6206691 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6206693) 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, 1034446 + ... + 1034451.

It is an arithmetic number, because the mean of its divisors is an integer number (2068898).

Almost surely, 2^6206691 is an apocalyptic number.

6206691 is a deficient number, since it is larger than the sum of its proper divisors (2068901).

6206691 is a wasteful number, since it uses less digits than its factorization.

6206691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068900.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6206691 is about 2491.3231424285. The cubic root of 6206691 is about 183.7751171182.

The spelling of 6206691 in words is "six million, two hundred six thousand, six hundred ninety-one".