6920863 has 4 divisors (see below), whose sum is σ = 6926128. Its totient is φ = 6915600.

The previous prime is 6920833. The next prime is 6920869. The reversal of 6920863 is 3680296.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6920863 - 2⁵ = 6920831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6920869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195 + ... + 3907.

It is an arithmetic number, because the mean of its divisors is an integer number (1731532).

Almost surely, 2^6920863 is an apocalyptic number.

6920863 is a deficient number, since it is larger than the sum of its proper divisors (5265).

6920863 is a wasteful number, since it uses less digits than its factorization.

6920863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 6920863 is about 2630.7533141669. The cubic root of 6920863 is about 190.5695100693.

The spelling of 6920863 in words is "six million, nine hundred twenty thousand, eight hundred sixty-three".