2150980 has 24 divisors (see below), whose sum is σ = 4865112. Its totient is φ = 794112.

The previous prime is 2150977. The next prime is 2151001. The reversal of 2150980 is 890512.

2150980 = T₁₁₃ + T₁₁₄ + ... + T₂₄₂.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 2005056 = 382^2 + 1416^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3877 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (202713).

2^2150980 is an apocalyptic number.

2150980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150980 is an abundant number, since it is smaller than the sum of its proper divisors (2714132).

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

2150980 is a wasteful number, since it uses less digits than its factorization.

2150980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295 (or 8293 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2150980 is about 1466.6219690159. The cubic root of 2150980 is about 129.0858951603.

The spelling of 2150980 in words is "two million, one hundred fifty thousand, nine hundred eighty".