6142820 has 24 divisors (see below), whose sum is σ = 13031928. Its totient is φ = 2432000.

The previous prime is 6142819. The next prime is 6142837. The reversal of 6142820 is 282416.

It can be written as a sum of positive squares in 4 ways, for example, as 3976036 + 2166784 = 1994^2 + 1472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (542997).

Almost surely, 2^6142820 is an apocalyptic number.

It is an amenable number.

6142820 is an abundant number, since it is smaller than the sum of its proper divisors (6889108).

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

6142820 is a wasteful number, since it uses less digits than its factorization.

6142820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151 (or 3149 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6142820 is about 2478.4713030415. The cubic root of 6142820 is about 183.1425526862.

The spelling of 6142820 in words is "six million, one hundred forty-two thousand, eight hundred twenty".