2051802 has 12 divisors (see below), whose sum is σ = 4445610. Its totient is φ = 683928.

The previous prime is 2051801. The next prime is 2051821. The reversal of 2051802 is 2081502.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 772641 = 1131^2 + 879^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 113989 = 2051802 / (2 + 0 + 5 + 1 + 8 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (2051801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56977 + ... + 57012.

2^2051802 is an apocalyptic number.

2051802 is an abundant number, since it is smaller than the sum of its proper divisors (2393808).

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

2051802 is a wasteful number, since it uses less digits than its factorization.

2051802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113997 (or 113994 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2051802 is about 1432.4112537955. The cubic root of 2051802 is about 127.0706201980.

The spelling of 2051802 in words is "two million, fifty-one thousand, eight hundred two".