6961329 has 16 divisors (see below), whose sum is σ = 10647040. Its totient is φ = 4490640.

The previous prime is 6961327. The next prime is 6961373. The reversal of 6961329 is 9231696.

It is not a de Polignac number, because 6961329 - 2¹ = 6961327 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 6961293 and 6961302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6961321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3322 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (665440).

Almost surely, 2^6961329 is an apocalyptic number.

It is an amenable number.

6961329 is a deficient number, since it is larger than the sum of its proper divisors (3685711).

6961329 is a wasteful number, since it uses less digits than its factorization.

6961329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357 (or 8351 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 6961329 is about 2638.4330577068. The cubic root of 6961329 is about 190.9402058747.

It can be divided in two parts, 696 and 1329, that added together give a square (2025 = 45²).

The spelling of 6961329 in words is "six million, nine hundred sixty-one thousand, three hundred twenty-nine".