6930849 has 8 divisors (see below), whose sum is σ = 9784800. Its totient is φ = 4348736.

The previous prime is 6930811. The next prime is 6930851. The reversal of 6930849 is 9480396.

6930849 = 612² + 613² + ... + 629².

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

It is not a de Polignac number, because 6930849 - 2⁸ = 6930593 is a prime.

It is an Ulam number.

6930849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6935849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67899 + ... + 68000.

It is an arithmetic number, because the mean of its divisors is an integer number (1223100).

Almost surely, 2^6930849 is an apocalyptic number.

It is an amenable number.

6930849 is a deficient number, since it is larger than the sum of its proper divisors (2853951).

6930849 is a wasteful number, since it uses less digits than its factorization.

6930849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135919.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6930849 is about 2632.6505654948. The cubic root of 6930849 is about 190.6611225642.

The spelling of 6930849 in words is "six million, nine hundred thirty thousand, eight hundred forty-nine".