2055860 has 12 divisors (see below), whose sum is σ = 4317348. Its totient is φ = 822336.

The previous prime is 2055853. The next prime is 2055917. The reversal of 2055860 is 685502.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 682276 = 1172^2 + 826^2 .

It is a congruent number.

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, 51377 + ... + 51416.

It is an arithmetic number, because the mean of its divisors is an integer number (359779).

2^2055860 is an apocalyptic number.

2055860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055860 is an abundant number, since it is smaller than the sum of its proper divisors (2261488).

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

2055860 is a wasteful number, since it uses less digits than its factorization.

2055860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102802 (or 102800 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2055860 is about 1433.8270467529. The cubic root of 2055860 is about 127.1543373406.

The spelling of 2055860 in words is "two million, fifty-five thousand, eight hundred sixty".