2070400 has 48 divisors (see below), whose sum is σ = 5122440. Its totient is φ = 826880.

The previous prime is 2070371. The next prime is 2070421. The reversal of 2070400 is 40702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2877 + ... + 3523.

2^2070400 is an apocalyptic number.

2070400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2070400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561220).

2070400 is an abundant number, since it is smaller than the sum of its proper divisors (3052040).

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

2070400 is an equidigital number, since it uses as much as digits as its factorization.

2070400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 2070400 is about 1438.8884598884. Note that the first 3 decimals coincide. The cubic root of 2070400 is about 127.4533983221.

The spelling of 2070400 in words is "two million, seventy thousand, four hundred".