6949539 has 12 divisors (see below), whose sum is σ = 10074376. Its totient is φ = 4616352.

The previous prime is 6949529. The next prime is 6949571. The reversal of 6949539 is 9359496.

It is a happy number.

It is not a de Polignac number, because 6949539 - 2¹⁵ = 6916771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6949494 and 6949503.

It is not an unprimeable number, because it can be changed into a prime (6949529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1584 + ... + 4050.

Almost surely, 2^6949539 is an apocalyptic number.

6949539 is a deficient number, since it is larger than the sum of its proper divisors (3124837).

6949539 is a wasteful number, since it uses less digits than its factorization.

6949539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 2783 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 6949539 is about 2636.1978302093. The cubic root of 6949539 is about 190.8323501705.

The spelling of 6949539 in words is "six million, nine hundred forty-nine thousand, five hundred thirty-nine".