2007900 has 108 divisors (see below), whose sum is σ = 6634992. Its totient is φ = 506880.

The previous prime is 2007899. The next prime is 2007911. The reversal of 2007900 is 97002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20652 + ... + 20748.

2^2007900 is an apocalyptic number.

2007900 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 2007900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3317496).

2007900 is an abundant number, since it is smaller than the sum of its proper divisors (4627092).

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

2007900 is a wasteful number, since it uses less digits than its factorization.

2007900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 2007900 is about 1417.0038814343. The cubic root of 2007900 is about 126.1577766511.

It can be divided in two parts, 200 and 7900, that added together give a square (8100 = 90²).

The spelling of 2007900 in words is "two million, seven thousand, nine hundred".