6856492 has 12 divisors (see below), whose sum is σ = 12630520. Its totient is φ = 3247776.

The previous prime is 6856483. The next prime is 6856517. The reversal of 6856492 is 2946586.

It is a happy number.

It is a super-2 number, since 2×6856492² = 94022965092128, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6 + 8 + 5⁹ + 6⁶ + 4⁸ + 9⁷ + 2¹³ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45033 + ... + 45184.

Almost surely, 2^6856492 is an apocalyptic number.

It is an amenable number.

6856492 is a deficient number, since it is larger than the sum of its proper divisors (5774028).

6856492 is a wasteful number, since it uses less digits than its factorization.

6856492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90240 (or 90238 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 6856492 is about 2618.4904047943. The cubic root of 6856492 is about 189.9768392821.

The spelling of 6856492 in words is "six million, eight hundred fifty-six thousand, four hundred ninety-two".