1961802 has 24 divisors (see below), whose sum is σ = 4311684. Its totient is φ = 644544.

The previous prime is 1961797. The next prime is 1961819. The reversal of 1961802 is 2081691.

It can be written as a sum of positive squares in 2 ways, for example, as 1846881 + 114921 = 1359^2 + 339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568 + ... + 2060.

2^1961802 is an apocalyptic number.

1961802 is an abundant number, since it is smaller than the sum of its proper divisors (2349882).

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

1961802 is a wasteful number, since it uses less digits than its factorization.

1961802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1571 counting only the distinct ones).

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

The square root of 1961802 is about 1400.6434235736. The cubic root of 1961802 is about 125.1848358842.

The spelling of 1961802 in words is "one million, nine hundred sixty-one thousand, eight hundred two".