6929690 has 8 divisors (see below), whose sum is σ = 12473460. Its totient is φ = 2771872.

The previous prime is 6929677. The next prime is 6929701. The reversal of 6929690 is 969296.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6901129 + 28561 = 2627^2 + 169^2 .

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

It is a super-2 number, since 2×6929690² = 96041206992200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 346475 + ... + 346494.

Almost surely, 2^6929690 is an apocalyptic number.

6929690 is a deficient number, since it is larger than the sum of its proper divisors (5543770).

6929690 is a wasteful number, since it uses less digits than its factorization.

6929690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692976.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 6929690 is about 2632.4304359280. The cubic root of 6929690 is about 190.6504943059.

The spelling of 6929690 in words is "six million, nine hundred twenty-nine thousand, six hundred ninety".