6929961 has 8 divisors (see below), whose sum is σ = 9255360. Its totient is φ = 4612272.

The previous prime is 6929953. The next prime is 6929981. The reversal of 6929961 is 1699296.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6929961 - 2³ = 6929953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6929921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 3783.

It is an arithmetic number, because the mean of its divisors is an integer number (1156920).

Almost surely, 2^6929961 is an apocalyptic number.

It is an amenable number.

6929961 is a deficient number, since it is larger than the sum of its proper divisors (2325399).

6929961 is a wasteful number, since it uses less digits than its factorization.

6929961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its digits is 52488, while the sum is 42.

The square root of 6929961 is about 2632.4819087697. The cubic root of 6929961 is about 190.6529795354.

The spelling of 6929961 in words is "six million, nine hundred twenty-nine thousand, nine hundred sixty-one".