6801490 has 32 divisors (see below), whose sum is σ = 12818736. Its totient is φ = 2595840.

The previous prime is 6801467. The next prime is 6801499. The reversal of 6801490 is 941086.

It can be written as a sum of positive squares in 8 ways, for example, as 253009 + 6548481 = 503^2 + 2559^2 .

It is not an unprimeable number, because it can be changed into a prime (6801499) 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, 21574 + ... + 21886.

Almost surely, 2^6801490 is an apocalyptic number.

6801490 is a deficient number, since it is larger than the sum of its proper divisors (6017246).

6801490 is a wasteful number, since it uses less digits than its factorization.

6801490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6801490 is about 2607.9666408909. The cubic root of 6801490 is about 189.4674839724.

The spelling of 6801490 in words is "six million, eight hundred one thousand, four hundred ninety".