6988090 has 24 divisors (see below), whose sum is σ = 13159188. Its totient is φ = 2671680.

The previous prime is 6988073. The next prime is 6988123. The reversal of 6988090 is 908896.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6754801 + 233289 = 2599^2 + 483^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4630 + ... + 5950.

Almost surely, 2^6988090 is an apocalyptic number.

6988090 is a deficient number, since it is larger than the sum of its proper divisors (6171098).

6988090 is a wasteful number, since it uses less digits than its factorization.

6988090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 6988090 is about 2643.4995744278. The cubic root of 6988090 is about 191.1845661637.

The spelling of 6988090 in words is "six million, nine hundred eighty-eight thousand, ninety".