2015940 has 24 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 537568.

The previous prime is 2015933. The next prime is 2015941. The reversal of 2015940 is 495102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015941) 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, 16740 + ... + 16859.

It is an arithmetic number, because the mean of its divisors is an integer number (235200).

2^2015940 is an apocalyptic number.

2015940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015940 is an abundant number, since it is smaller than the sum of its proper divisors (3628860).

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

2015940 is a wasteful number, since it uses less digits than its factorization.

2015940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33611 (or 33609 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2015940 is about 1419.8380189303. The cubic root of 2015940 is about 126.3259386947.

The spelling of 2015940 in words is "two million, fifteen thousand, nine hundred forty".