6249749 has 16 divisors (see below), whose sum is σ = 7111104. Its totient is φ = 5443200.

The previous prime is 6249743. The next prime is 6249751. The reversal of 6249749 is 9479426.

6249749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6249749 - 2²⁰ = 5201173 is a prime.

It is a super-3 number, since 3×6249749³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249743) 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, 34439 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (444444).

Almost surely, 2^6249749 is an apocalyptic number.

It is an amenable number.

6249749 is a deficient number, since it is larger than the sum of its proper divisors (861355).

6249749 is a wasteful number, since it uses less digits than its factorization.

6249749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its digits is 108864, while the sum is 41.

The square root of 6249749 is about 2499.9497994960. The cubic root of 6249749 is about 184.1991090539.

The spelling of 6249749 in words is "six million, two hundred forty-nine thousand, seven hundred forty-nine".