6863955 has 16 divisors (see below), whose sum is σ = 12551424. Its totient is φ = 3137760.

The previous prime is 6863953. The next prime is 6863957. The reversal of 6863955 is 5593686.

6863955 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6863953) and next prime (6863957).

It is not a de Polignac number, because 6863955 - 2¹ = 6863953 is a prime.

It is a super-2 number, since 2×6863955² = 94227756484050, which contains 22 as substring.

6863955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6863953) 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, 32581 + ... + 32790.

It is an arithmetic number, because the mean of its divisors is an integer number (784464).

Almost surely, 2^6863955 is an apocalyptic number.

6863955 is a deficient number, since it is larger than the sum of its proper divisors (5687469).

6863955 is a wasteful number, since it uses less digits than its factorization.

6863955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65386.

The product of its digits is 194400, while the sum is 42.

The square root of 6863955 is about 2619.9150749595. The cubic root of 6863955 is about 190.0457415263.

The spelling of 6863955 in words is "six million, eight hundred sixty-three thousand, nine hundred fifty-five".