6861477 has 8 divisors (see below), whose sum is σ = 10455616. Its totient is φ = 3920832.

The previous prime is 6861469. The next prime is 6861479. The reversal of 6861477 is 7741686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6861477 - 2³ = 6861469 is a prime.

It is a Duffinian number.

6861477 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 163348 + ... + 163389.

It is an arithmetic number, because the mean of its divisors is an integer number (1306952).

Almost surely, 2^6861477 is an apocalyptic number.

It is an amenable number.

6861477 is a deficient number, since it is larger than the sum of its proper divisors (3594139).

6861477 is a wasteful number, since it uses less digits than its factorization.

6861477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326747.

The product of its digits is 56448, while the sum is 39.

The square root of 6861477 is about 2619.4421161766. The cubic root of 6861477 is about 190.0228689001.

The spelling of 6861477 in words is "six million, eight hundred sixty-one thousand, four hundred seventy-seven".