6266991 has 16 divisors (see below), whose sum is σ = 8744960. Its totient is φ = 3987360.

The previous prime is 6266963. The next prime is 6267007. The reversal of 6266991 is 1996626.

It is not a de Polignac number, because 6266991 - 2⁶ = 6266927 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6266951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6921 + ... + 7773.

It is an arithmetic number, because the mean of its divisors is an integer number (546560).

Almost surely, 2^6266991 is an apocalyptic number.

6266991 is a deficient number, since it is larger than the sum of its proper divisors (2477969).

6266991 is a wasteful number, since it uses less digits than its factorization.

6266991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 34992, while the sum is 39.

The square root of 6266991 is about 2503.3958935814. The cubic root of 6266991 is about 184.3683449096.

The spelling of 6266991 in words is "six million, two hundred sixty-six thousand, nine hundred ninety-one".