6705988 has 6 divisors (see below), whose sum is σ = 11735486. Its totient is φ = 3352992.

The previous prime is 6705977. The next prime is 6705997. The reversal of 6705988 is 8895076.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6140484 + 565504 = 2478^2 + 752^2 .

It is a super-2 number, since 2×6705988² = 89940550112288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838245 + ... + 838252.

Almost surely, 2^6705988 is an apocalyptic number.

It is an amenable number.

6705988 is a deficient number, since it is larger than the sum of its proper divisors (5029498).

6705988 is a wasteful number, since it uses less digits than its factorization.

6705988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676501 (or 1676499 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 6705988 is about 2589.5922458951. The cubic root of 6705988 is about 188.5765085649.

The spelling of 6705988 in words is "six million, seven hundred five thousand, nine hundred eighty-eight".