6863961 has 16 divisors (see below), whose sum is σ = 10087616. Its totient is φ = 4124736.

The previous prime is 6863957. The next prime is 6863993. The reversal of 6863961 is 1693686.

It is a happy number.

6863961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6863961 - 2² = 6863957 is a prime.

It is a super-2 number, since 2×6863961² = 94227921219042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

6863961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6863261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370 + ... + 3723.

It is an arithmetic number, because the mean of its divisors is an integer number (630476).

Almost surely, 2^6863961 is an apocalyptic number.

It is an amenable number.

6863961 is a deficient number, since it is larger than the sum of its proper divisors (3223655).

6863961 is a wasteful number, since it uses less digits than its factorization.

6863961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152.

The product of its digits is 46656, while the sum is 39.

The square root of 6863961 is about 2619.9162200345. The cubic root of 6863961 is about 190.0457969013.

The spelling of 6863961 in words is "six million, eight hundred sixty-three thousand, nine hundred sixty-one".