6249869 has 4 divisors (see below), whose sum is σ = 6257244. Its totient is φ = 6242496.

The previous prime is 6249851. The next prime is 6249871. The reversal of 6249869 is 9689426.

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 2601769 + 3648100 = 1613^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 6249869 - 2²⁰ = 5201293 is a prime.

It is a super-2 number, since 2×6249869² = 78121725034322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249809) 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, 2222 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (1564311).

Almost surely, 2^6249869 is an apocalyptic number.

It is an amenable number.

6249869 is a deficient number, since it is larger than the sum of its proper divisors (7375).

6249869 is an equidigital number, since it uses as much as digits as its factorization.

6249869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7374.

The product of its digits is 186624, while the sum is 44.

The square root of 6249869 is about 2499.9737998627. The cubic root of 6249869 is about 184.2002879680.

The spelling of 6249869 in words is "six million, two hundred forty-nine thousand, eight hundred sixty-nine".