2150740 has 24 divisors (see below), whose sum is σ = 4604040. Its totient is φ = 843648.

The previous prime is 2150719. The next prime is 2150741. The reversal of 2150740 is 470512.

It can be written as a sum of positive squares in 4 ways, for example, as 1073296 + 1077444 = 1036^2 + 1038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (191835).

2^2150740 is an apocalyptic number.

2150740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150740 is an abundant number, since it is smaller than the sum of its proper divisors (2453300).

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

2150740 is a wasteful number, since it uses less digits than its factorization.

2150740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2150740 is about 1466.5401460581. The cubic root of 2150740 is about 129.0810939740.

The spelling of 2150740 in words is "two million, one hundred fifty thousand, seven hundred forty".