6392868 has 12 divisors (see below), whose sum is σ = 14916720. Its totient is φ = 2130952.

The previous prime is 6392863. The next prime is 6392879. The reversal of 6392868 is 8682936.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6392868² = 81737522530848, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁵ + 3¹³ + 9⁷ + 2³ + 8 + 6⁵ + 8 .

It is not an unprimeable number, because it can be changed into a prime (6392863) 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, 266358 + ... + 266381.

It is an arithmetic number, because the mean of its divisors is an integer number (1243060).

Almost surely, 2^6392868 is an apocalyptic number.

It is an amenable number.

6392868 is an abundant number, since it is smaller than the sum of its proper divisors (8523852).

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

6392868 is a wasteful number, since it uses less digits than its factorization.

6392868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532746 (or 532744 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 6392868 is about 2528.4121499471. The cubic root of 6392868 is about 185.5945614365.

It can be divided in two parts, 6392 and 868, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6392868 in words is "six million, three hundred ninety-two thousand, eight hundred sixty-eight".