2047940 has 12 divisors (see below), whose sum is σ = 4300716. Its totient is φ = 819168.

The previous prime is 2047937. The next prime is 2047957. The reversal of 2047940 is 497402.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 1110916 = 968^2 + 1054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51179 + ... + 51218.

It is an arithmetic number, because the mean of its divisors is an integer number (358393).

2^2047940 is an apocalyptic number.

2047940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2047940 is an abundant number, since it is smaller than the sum of its proper divisors (2252776).

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

2047940 is a wasteful number, since it uses less digits than its factorization.

2047940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102406 (or 102404 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2047940 is about 1431.0625423090. The cubic root of 2047940 is about 126.9908439883.

The spelling of 2047940 in words is "two million, forty-seven thousand, nine hundred forty".