6949128 has 32 divisors (see below), whose sum is σ = 18129600. Its totient is φ = 2215488.

The previous prime is 6949127. The next prime is 6949139. The reversal of 6949128 is 8219496.

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

It is not an unprimeable number, because it can be changed into a prime (6949121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5743 + ... + 6846.

It is an arithmetic number, because the mean of its divisors is an integer number (566550).

Almost surely, 2^6949128 is an apocalyptic number.

It is an amenable number.

6949128 is an abundant number, since it is smaller than the sum of its proper divisors (11180472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6949128 is a wasteful number, since it uses less digits than its factorization.

6949128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621 (or 12617 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 6949128 is about 2636.1198758782. The cubic root of 6949128 is about 190.8285881156.

The spelling of 6949128 in words is "six million, nine hundred forty-nine thousand, one hundred twenty-eight".