6820038 has 24 divisors (see below), whose sum is σ = 15325128. Its totient is φ = 2273184.

The previous prime is 6820019. The next prime is 6820039. The reversal of 6820038 is 8300286.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 6819993 and 6820020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6531 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (638547).

Almost surely, 2^6820038 is an apocalyptic number.

6820038 is an abundant number, since it is smaller than the sum of its proper divisors (8505090).

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

6820038 is a wasteful number, since it uses less digits than its factorization.

6820038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050 (or 14038 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 6820038 is about 2611.5202469060. The cubic root of 6820038 is about 189.6395567202.

The spelling of 6820038 in words is "six million, eight hundred twenty thousand, thirty-eight".