6861486 has 16 divisors (see below), whose sum is σ = 13982544. Its totient is φ = 2243904.

The previous prime is 6861479. The next prime is 6861493. The reversal of 6861486 is 6841686.

It is an interprime number because it is at equal distance from previous prime (6861479) and next prime (6861493).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (873909).

Almost surely, 2^6861486 is an apocalyptic number.

6861486 is an abundant number, since it is smaller than the sum of its proper divisors (7121058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6861486 is a wasteful number, since it uses less digits than its factorization.

6861486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635.

The product of its digits is 55296, while the sum is 39.

The square root of 6861486 is about 2619.4438340991. The cubic root of 6861486 is about 190.0229519826.

The spelling of 6861486 in words is "six million, eight hundred sixty-one thousand, four hundred eighty-six".