6861026 has 4 divisors (see below), whose sum is σ = 10291542. Its totient is φ = 3430512.

The previous prime is 6861017. The next prime is 6861053. The reversal of 6861026 is 6201686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6201686 = 2 ⋅3100843.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 22801 = 2615^2 + 151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6861026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715255 + ... + 1715258.

Almost surely, 2^6861026 is an apocalyptic number.

6861026 is a deficient number, since it is larger than the sum of its proper divisors (3430516).

6861026 is a wasteful number, since it uses less digits than its factorization.

6861026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430515.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6861026 is about 2619.3560277290. The cubic root of 6861026 is about 190.0187054529.

The spelling of 6861026 in words is "six million, eight hundred sixty-one thousand, twenty-six".