6806490 has 32 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 1795584.

The previous prime is 6806479. The next prime is 6806509. The reversal of 6806490 is 946086.

It is a super-2 number, since 2×6806490² = 92656612240200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741 + ... + 4079.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 2^6806490 is an apocalyptic number.

6806490 is an abundant number, since it is smaller than the sum of its proper divisors (9704550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6806490 is a wasteful number, since it uses less digits than its factorization.

6806490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6806490 is about 2608.9250659994. The cubic root of 6806490 is about 189.5139005358.

The spelling of 6806490 in words is "six million, eight hundred six thousand, four hundred ninety".