6930890 has 8 divisors (see below), whose sum is σ = 12475620. Its totient is φ = 2772352.

The previous prime is 6930857. The next prime is 6930929. The reversal of 6930890 is 980396.

It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 113569 = 2611^2 + 337^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6930890.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 346535 + ... + 346554.

Almost surely, 2^6930890 is an apocalyptic number.

6930890 is a deficient number, since it is larger than the sum of its proper divisors (5544730).

6930890 is a wasteful number, since it uses less digits than its factorization.

6930890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693096.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6930890 is about 2632.6583523124. The cubic root of 6930890 is about 190.6614985205.

The spelling of 6930890 in words is "six million, nine hundred thirty thousand, eight hundred ninety".