2670820 has 12 divisors (see below), whose sum is σ = 5608764. Its totient is φ = 1068320.

The previous prime is 2670817. The next prime is 2670881. The reversal of 2670820 is 280762.

2670820 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 1572516 = 1048^2 + 1254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66751 + ... + 66790.

It is an arithmetic number, because the mean of its divisors is an integer number (467397).

2^2670820 is an apocalyptic number.

2670820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2670820 is an abundant number, since it is smaller than the sum of its proper divisors (2937944).

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

2670820 is a wasteful number, since it uses less digits than its factorization.

2670820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133550 (or 133548 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2670820 is about 1634.2643604999. The cubic root of 2670820 is about 138.7442115379.

The spelling of 2670820 in words is "two million, six hundred seventy thousand, eight hundred twenty".