6244991 has 4 divisors (see below), whose sum is σ = 6255984. Its totient is φ = 6234000.

The previous prime is 6244969. The next prime is 6245011. The reversal of 6244991 is 1994426.

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

It is a cyclic number.

It is not a de Polignac number, because 6244991 - 2¹⁰ = 6243967 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 (6244951) 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, 4595 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (1563996).

Almost surely, 2^6244991 is an apocalyptic number.

6244991 is a deficient number, since it is larger than the sum of its proper divisors (10993).

6244991 is a wasteful number, since it uses less digits than its factorization.

6244991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10992.

The product of its digits is 15552, while the sum is 35.

The square root of 6244991 is about 2498.9979991989. The cubic root of 6244991 is about 184.1523529434.

The spelling of 6244991 in words is "six million, two hundred forty-four thousand, nine hundred ninety-one".