1801962 has 12 divisors (see below), whose sum is σ = 3904290. Its totient is φ = 600648.

The previous prime is 1801931. The next prime is 1801967. The reversal of 1801962 is 2691081.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 35721 = 1329^2 + 189^2 .

It is not an unprimeable number, because it can be changed into a prime (1801967) 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, 50037 + ... + 50072.

2^1801962 is an apocalyptic number.

1801962 is an abundant number, since it is smaller than the sum of its proper divisors (2102328).

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

1801962 is a wasteful number, since it uses less digits than its factorization.

1801962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100117 (or 100114 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1801962 is about 1342.3717815866. The cubic root of 1801962 is about 121.6882211973.

It can be divided in two parts, 18019 and 62, that added together give a palindrome (18081).

The spelling of 1801962 in words is "one million, eight hundred one thousand, nine hundred sixty-two".