6820148 has 12 divisors (see below), whose sum is σ = 11959332. Its totient is φ = 3403200.

The previous prime is 6820147. The next prime is 6820157. The reversal of 6820148 is 8410286.

It can be written as a sum of positive squares in 2 ways, for example, as 2650384 + 4169764 = 1628^2 + 2042^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6820148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820141) 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, 986 + ... + 3822.

It is an arithmetic number, because the mean of its divisors is an integer number (996611).

Almost surely, 2^6820148 is an apocalyptic number.

It is an amenable number.

6820148 is a deficient number, since it is larger than the sum of its proper divisors (5139184).

6820148 is a wasteful number, since it uses less digits than its factorization.

6820148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 6820148 is about 2611.5413073509. The cubic root of 6820148 is about 189.6405762765.

The spelling of 6820148 in words is "six million, eight hundred twenty thousand, one hundred forty-eight".